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99265428 = 223241109617
BaseRepresentation
bin1011110101010…
…10101110010100
320220210012120100
411322222232110
5200402443203
613503334100
72313512403
oct572525624
9226705510
1099265428
115103a649
12292b1330
1317747352
14d27d63a
158aabea3
hex5eaab94

99265428 has 72 divisors (see below), whose sum is σ = 259819560. Its totient is φ = 31933440.

The previous prime is 99265421. The next prime is 99265471. The reversal of 99265428 is 82456299.

It can be written as a sum of positive squares in 4 ways, for example, as 898704 + 98366724 = 948^2 + 9918^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99265421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160576 + ... + 161192.

It is an arithmetic number, because the mean of its divisors is an integer number (3608605).

Almost surely, 299265428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99265428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129909780).

99265428 is an abundant number, since it is smaller than the sum of its proper divisors (160554132).

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

99265428 is a wasteful number, since it uses less digits than its factorization.

99265428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 772 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 99265428 is about 9963.2037016213. The cubic root of 99265428 is about 463.0195620145.

The spelling of 99265428 in words is "ninety-nine million, two hundred sixty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 41 82 109 123 164 218 246 327 369 436 492 617 654 738 981 1234 1308 1476 1851 1962 2468 3702 3924 4469 5553 7404 8938 11106 13407 17876 22212 25297 26814 40221 50594 53628 67253 75891 80442 101188 134506 151782 160884 201759 227673 269012 303564 403518 455346 605277 807036 910692 1210554 2421108 2757373 5514746 8272119 11029492 16544238 24816357 33088476 49632714 99265428