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207244816 = 24592612
BaseRepresentation
bin11000101101001…
…00111000010000
3112102222010102221
430112210320100
5411023313231
632321550424
75064360202
oct1426447020
9472863387
10207244816
11a6a91109
12594a5414
1333c22a8c
141d74a772
15132dad11
hexc5a4e10

207244816 has 45 divisors (see below), whose sum is σ = 415263693. Its totient is φ = 100196160.

The previous prime is 207244813. The next prime is 207244847. The reversal of 207244816 is 618442702.

It is a happy number.

The square root of 207244816 is 14396.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6739216 + 200505600 = 2596^2 + 14160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207244813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3397426 + ... + 3397486.

Almost surely, 2207244816 is an apocalyptic number.

207244816 is the 14396-th square number.

It is an amenable number.

207244816 is an abundant number, since it is smaller than the sum of its proper divisors (208018877).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207244816 is an frugal number, since it uses more digits than its factorization.

207244816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The cubic root of 207244816 is about 591.7812833387.

The spelling of 207244816 in words is "two hundred seven million, two hundred forty-four thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 59 61 118 122 236 244 472 488 944 976 3481 3599 3721 6962 7198 7442 13924 14396 14884 27848 28792 29768 55696 57584 59536 212341 219539 424682 439078 849364 878156 1698728 1756312 3397456 3512624 12952801 25905602 51811204 103622408 207244816