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352014021 = 32311261699
BaseRepresentation
bin10100111110110…
…100111011000101
3220112101011110100
4110332310323011
51210103422041
654532514313
711503032642
oct2476647305
9815334410
10352014021
11170780387
1299a7b999
1357c0cb28
1434a72dc9
1520d856b6
hex14fb4ec5

352014021 has 12 divisors (see below), whose sum is σ = 524867200. Its totient is φ = 227105640.

The previous prime is 352014017. The next prime is 352014023. The reversal of 352014021 is 120410253.

352014021 is a `hidden beast` number, since 3 + 520 + 140 + 2 + 1 = 666.

It is not a de Polignac number, because 352014021 - 22 = 352014017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 352013985 and 352014003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352014023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630571 + ... + 631128.

Almost surely, 2352014021 is an apocalyptic number.

352014021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

352014021 is a deficient number, since it is larger than the sum of its proper divisors (172853179).

352014021 is a wasteful number, since it uses less digits than its factorization.

352014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261736 (or 1261733 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 352014021 is about 18762.0366964783. The cubic root of 352014021 is about 706.0790417540.

Adding to 352014021 its reverse (120410253), we get a palindrome (472424274).

The spelling of 352014021 in words is "three hundred fifty-two million, fourteen thousand, twenty-one".

Divisors: 1 3 9 31 93 279 1261699 3785097 11355291 39112669 117338007 352014021