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2160624397 = 431373531039
BaseRepresentation
bin1000000011001000…
…1000001100001101
312120120121002110211
42000302020030031
513411104440042
6554221402421
7104354001331
oct20062101415
95516532424
102160624397
11a096860a8
12503709411
13285826099
14166d4b7c1
15c9a40017
hex80c8830d

2160624397 has 16 divisors (see below), whose sum is σ = 2235467520. Its totient is φ = 2087027712.

The previous prime is 2160624373. The next prime is 2160624407. The reversal of 2160624397 is 7934260612.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2160624397 - 231 = 13140749 is a prime.

It is a super-2 number, since 2×21606243972 = 9336595569823227218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160624337) 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, 2079004 + ... + 2080042.

It is an arithmetic number, because the mean of its divisors is an integer number (139716720).

Almost surely, 22160624397 is an apocalyptic number.

It is an amenable number.

2160624397 is a deficient number, since it is larger than the sum of its proper divisors (74843123).

2160624397 is a wasteful number, since it uses less digits than its factorization.

2160624397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 2160624397 is about 46482.5171112753. The cubic root of 2160624397 is about 1292.7853596632.

The spelling of 2160624397 in words is "two billion, one hundred sixty million, six hundred twenty-four thousand, three hundred ninety-seven".

Divisors: 1 43 137 353 1039 5891 15179 44677 48361 142343 366767 2079523 6120749 15770981 50247079 2160624397