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1083699090 = 232579152419
BaseRepresentation
bin100000010010111…
…1110111110010010
32210112011121200100
41000211332332102
54204411332330
6255311233230
735566201365
oct10045767622
92715147610
101083699090
115067a1191
12262b18816
13143694186
14a3cd80dc
1565216060
hex4097ef92

1083699090 has 48 divisors (see below), whose sum is σ = 2853302400. Its totient is φ = 285326496.

The previous prime is 1083699061. The next prime is 1083699091. The reversal of 1083699090 is 909963801.

1083699090 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1083699091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69100 + ... + 83319.

It is an arithmetic number, because the mean of its divisors is an integer number (59443800).

Almost surely, 21083699090 is an apocalyptic number.

1083699090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1083699090 is an abundant number, since it is smaller than the sum of its proper divisors (1769603310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1083699090 is a wasteful number, since it uses less digits than its factorization.

1083699090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152511 (or 152508 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1083699090 is about 32919.5852039481. The cubic root of 1083699090 is about 1027.1555952305.

The spelling of 1083699090 in words is "one billion, eighty-three million, six hundred ninety-nine thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 79 90 158 237 395 474 711 790 1185 1422 2370 3555 7110 152419 304838 457257 762095 914514 1371771 1524190 2286285 2743542 4572570 6858855 12041101 13717710 24082202 36123303 60205505 72246606 108369909 120411010 180616515 216739818 361233030 541849545 1083699090