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352652421 = 31147227371
BaseRepresentation
bin10101000001010…
…000110010000101
3220120120121011210
4111001100302011
51210234334141
654554322033
711511332112
oct2501206205
9816517153
10352652421
11171076a90
129a129319
13580a4594
1434b9b909
1520e5e916
hex15050c85

352652421 has 16 divisors (see below), whose sum is σ = 523865088. Its totient is φ = 209180400.

The previous prime is 352652413. The next prime is 352652429. The reversal of 352652421 is 124256253.

It is an interprime number because it is at equal distance from previous prime (352652413) and next prime (352652429).

It is not a de Polignac number, because 352652421 - 23 = 352652413 is a prime.

It is a super-2 number, since 2×3526524212 = 248727460074322482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352652429) 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, 112135 + ... + 115236.

It is an arithmetic number, because the mean of its divisors is an integer number (32741568).

Almost surely, 2352652421 is an apocalyptic number.

It is an amenable number.

352652421 is a deficient number, since it is larger than the sum of its proper divisors (171212667).

352652421 is a wasteful number, since it uses less digits than its factorization.

352652421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227432.

The product of its digits is 14400, while the sum is 30.

The square root of 352652421 is about 18779.0420682206. The cubic root of 352652421 is about 706.5056238530.

The spelling of 352652421 in words is "three hundred fifty-two million, six hundred fifty-two thousand, four hundred twenty-one".

Divisors: 1 3 11 33 47 141 517 1551 227371 682113 2501081 7503243 10686437 32059311 117550807 352652421