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83468388 = 223139163307
BaseRepresentation
bin1001111100110…
…10000001100100
312211001122002210
410332122001210
5132331442023
612141003420
72032320033
oct476320144
9184048083
1083468388
1143130043
1223b53570
13143a5ca3
14b12a71a
1574db593
hex4f9a064

83468388 has 48 divisors (see below), whose sum is σ = 198007040. Its totient is φ = 27363744.

The previous prime is 83468347. The next prime is 83468389. The reversal of 83468388 is 88386438.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83468389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271731 + ... + 272037.

Almost surely, 283468388 is an apocalyptic number.

It is an amenable number.

83468388 is an abundant number, since it is smaller than the sum of its proper divisors (114538652).

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

83468388 is a wasteful number, since it uses less digits than its factorization.

83468388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 83468388 is about 9136.1035458230. The cubic root of 83468388 is about 437.0260672485.

The spelling of 83468388 in words is "eighty-three million, four hundred sixty-eight thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 139 163 278 307 326 417 489 556 614 652 834 921 978 1228 1668 1842 1956 3684 22657 42673 45314 50041 67971 85346 90628 100082 128019 135942 150123 170692 200164 256038 271884 300246 512076 600492 6955699 13911398 20867097 27822796 41734194 83468388