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142985616 = 24315671901
BaseRepresentation
bin10001000010111…
…00100110010000
3100222001102101120
420201130212100
5243101014431
622104402240
73354233454
oct1041344620
9328042346
10142985616
1173791234
123ba76380
1323814297
1414dc0664
15c846196
hex885c990

142985616 has 40 divisors (see below), whose sum is σ = 369809664. Its totient is φ = 47606400.

The previous prime is 142985603. The next prime is 142985629. The reversal of 142985616 is 616589241.

It is an interprime number because it is at equal distance from previous prime (142985603) and next prime (142985629).

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, 74266 + ... + 76166.

Almost surely, 2142985616 is an apocalyptic number.

142985616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142985616 is an abundant number, since it is smaller than the sum of its proper divisors (226824048).

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

142985616 is a wasteful number, since it uses less digits than its factorization.

142985616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3473 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 142985616 is about 11957.6593027231. The cubic root of 142985616 is about 522.9146191236.

The spelling of 142985616 in words is "one hundred forty-two million, nine hundred eighty-five thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 1567 1901 3134 3802 4701 5703 6268 7604 9402 11406 12536 15208 18804 22812 25072 30416 37608 45624 75216 91248 2978867 5957734 8936601 11915468 17873202 23830936 35746404 47661872 71492808 142985616