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3652630969 = 13246492
BaseRepresentation
bin1101100110110110…
…1011100110111001
3100102120001212201111
43121231223212321
524440033142334
61402240320321
7156341564611
oct33155534671
910376055644
103652630969
1116048a6789
1285b3130a1
13462979c00
1426916da41
15165a0b064
hexd9b6b9b9

3652630969 has 9 divisors (see below), whose sum is σ = 3956066733. Its totient is φ = 3370934112.

The previous prime is 3652630951. The next prime is 3652630973. The reversal of 3652630969 is 9690362563.

The square root of 3652630969 is 60437.

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

It can be written as a sum of positive squares in 4 ways, for example, as 220077225 + 3432553744 = 14835^2 + 58588^2 .

It is not a de Polignac number, because 3652630969 - 25 = 3652630937 is a prime.

It is a super-2 number, since 2×36526309692 = 26683425991395757922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3652630169) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 783357 + ... + 788005.

Almost surely, 23652630969 is an apocalyptic number.

3652630969 is the 60437-th square number.

3652630969 is the 30219-th centered octagonal number.

It is an amenable number.

3652630969 is a deficient number, since it is larger than the sum of its proper divisors (303435764).

3652630969 is an frugal number, since it uses more digits than its factorization.

3652630969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 49.

The cubic root of 3652630969 is about 1540.0515765320.

Multiplying 3652630969 by its sum of digits (49), we get a square (178978917481 = 4230592).

The spelling of 3652630969 in words is "three billion, six hundred fifty-two million, six hundred thirty thousand, nine hundred sixty-nine".

Divisors: 1 13 169 4649 60437 785681 21613201 280971613 3652630969