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152214405 = 3571449661
BaseRepresentation
bin10010001001010…
…01101110000101
3101121102021220120
421010221232011
5302431330110
623034252153
73525541530
oct1104515605
9347367816
10152214405
1178a14a32
1242b87059
13256c5ac5
1416303a17
15d56a870
hex9129b85

152214405 has 16 divisors (see below), whose sum is σ = 278335104. Its totient is φ = 69583680.

The previous prime is 152214389. The next prime is 152214409. The reversal of 152214405 is 504412251.

It is not a de Polignac number, because 152214405 - 24 = 152214389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152214409) 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, 724726 + ... + 724935.

It is an arithmetic number, because the mean of its divisors is an integer number (17395944).

Almost surely, 2152214405 is an apocalyptic number.

152214405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152214405 is a deficient number, since it is larger than the sum of its proper divisors (126120699).

152214405 is a wasteful number, since it uses less digits than its factorization.

152214405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449676.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 152214405 is about 12337.5202127494. The cubic root of 152214405 is about 533.9311410881.

Adding to 152214405 its reverse (504412251), we get a palindrome (656626656).

The spelling of 152214405 in words is "one hundred fifty-two million, two hundred fourteen thousand, four hundred five".

Divisors: 1 3 5 7 15 21 35 105 1449661 4348983 7248305 10147627 21744915 30442881 50738135 152214405