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1142443310 = 25313685301
BaseRepresentation
bin100010000011000…
…0100110100101110
32221121201010121012
41010012010310232
54314431141220
6305210305222
740211415341
oct10406046456
92847633535
101142443310
11536974628
1227a728212
131528c1678
14aba2a458
156a46bac5
hex44184d2e

1142443310 has 16 divisors (see below), whose sum is σ = 2122733952. Its totient is φ = 442236000.

The previous prime is 1142443303. The next prime is 1142443361. The reversal of 1142443310 is 133442411.

It is a super-2 number, since 2×11424433102 = 2610353433127512200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842341 + ... + 1842960.

It is an arithmetic number, because the mean of its divisors is an integer number (132670872).

Almost surely, 21142443310 is an apocalyptic number.

1142443310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142443310 is a deficient number, since it is larger than the sum of its proper divisors (980290642).

1142443310 is a wasteful number, since it uses less digits than its factorization.

1142443310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685339.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1142443310 is about 33800.0489644616. The cubic root of 1142443310 is about 1045.3897068364.

Adding to 1142443310 its reverse (133442411), we get a palindrome (1275885721).

The spelling of 1142443310 in words is "one billion, one hundred forty-two million, four hundred forty-three thousand, three hundred ten".

Divisors: 1 2 5 10 31 62 155 310 3685301 7370602 18426505 36853010 114244331 228488662 571221655 1142443310