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972520352 = 2530391261
BaseRepresentation
bin111001111101110…
…111101110100000
32111202222011010022
4321331313232200
53442431122402
6240300253012
733046200206
oct7175675640
92452864108
10972520352
11459a64a31
12231841168
1312663843b
1493237076
155a5a42a2
hex39f77ba0

972520352 has 12 divisors (see below), whose sum is σ = 1914649506. Its totient is φ = 486260160.

The previous prime is 972520337. The next prime is 972520357. The reversal of 972520352 is 253025279.

It can be written as a sum of positive squares in only one way, i.e., 914699536 + 57820816 = 30244^2 + 7604^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (972520357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15195599 + ... + 15195662.

Almost surely, 2972520352 is an apocalyptic number.

It is an amenable number.

972520352 is a deficient number, since it is larger than the sum of its proper divisors (942129154).

972520352 is a wasteful number, since it uses less digits than its factorization.

972520352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30391271 (or 30391263 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 972520352 is about 31185.2585687533. The cubic root of 972520352 is about 990.7549090241.

The spelling of 972520352 in words is "nine hundred seventy-two million, five hundred twenty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 30391261 60782522 121565044 243130088 486260176 972520352