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207551332 = 22290917837
BaseRepresentation
bin11000101111011…
…11101101100100
3112110112200220101
430113233231210
5411113120312
632332313444
75100104632
oct1427575544
9473480811
10207551332
11a718042a
1259612884
1333ccc451
141d7ca352
151334ba57
hexc5efb64

207551332 has 12 divisors (see below), whose sum is σ = 363360060. Its totient is φ = 103734176.

The previous prime is 207551297. The next prime is 207551359. The reversal of 207551332 is 233155702.

It can be written as a sum of positive squares in 2 ways, for example, as 178649956 + 28901376 = 13366^2 + 5376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 207551332.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 20554.

It is an arithmetic number, because the mean of its divisors is an integer number (30280005).

Almost surely, 2207551332 is an apocalyptic number.

It is an amenable number.

207551332 is a deficient number, since it is larger than the sum of its proper divisors (155808728).

207551332 is a wasteful number, since it uses less digits than its factorization.

207551332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20750 (or 20748 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 207551332 is about 14406.6419404384. The cubic root of 207551332 is about 592.0728886696.

The spelling of 207551332 in words is "two hundred seven million, five hundred fifty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 2909 5818 11636 17837 35674 71348 51887833 103775666 207551332