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99997265 = 5153113063
BaseRepresentation
bin1011111010111…
…01011001010001
320222011101110102
411331131121101
5201044403030
613531142145
72322651134
oct575353121
9228141412
1099997265
115149a475
12295a4955
13179424a4
14d3d021b
158ba3c45
hex5f5d651

99997265 has 8 divisors (see below), whose sum is σ = 120084288. Its totient is φ = 79939440.

The previous prime is 99997243. The next prime is 99997267. The reversal of 99997265 is 56279999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99997265 - 210 = 99996241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99997265.

It is not an unprimeable number, because it can be changed into a prime (99997267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124 + ... + 14186.

It is an arithmetic number, because the mean of its divisors is an integer number (15010536).

Almost surely, 299997265 is an apocalyptic number.

It is an amenable number.

99997265 is a deficient number, since it is larger than the sum of its proper divisors (20087023).

99997265 is a wasteful number, since it uses less digits than its factorization.

99997265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14599.

The product of its digits is 2755620, while the sum is 56.

The square root of 99997265 is about 9999.8632490650. The cubic root of 99997265 is about 464.1546517409.

The spelling of 99997265 in words is "ninety-nine million, nine hundred ninety-seven thousand, two hundred sixty-five".

Divisors: 1 5 1531 7655 13063 65315 19999453 99997265