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99487744 = 212107227
BaseRepresentation
bin1011110111000…
…01000000000000
320221012111112021
411323201000000
5200432101434
613512211224
72315426506
oct573410000
9227174467
1099487744
1151181684
1229399b14
13177c45b5
14d2da676
158b02cb4
hex5ee1000

99487744 has 52 divisors (see below), whose sum is σ = 201695184. Its totient is φ = 49061888.

The previous prime is 99487733. The next prime is 99487789. The reversal of 99487744 is 44778499.

It is a super-2 number, since 2×994877442 = 19795622412419072, which contains 22 as substring.

Its product of digits (2032128) is a multiple of the sum of its prime divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 99487691 and 99487700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438159 + ... + 438385.

Almost surely, 299487744 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 99487744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100847592).

99487744 is an abundant number, since it is smaller than the sum of its proper divisors (102207440).

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

99487744 is a wasteful number, since it uses less digits than its factorization.

99487744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 336 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 99487744 is about 9974.3543149419. The cubic root of 99487744 is about 463.3649656072.

The spelling of 99487744 in words is "ninety-nine million, four hundred eighty-seven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 64 107 128 214 227 256 428 454 512 856 908 1024 1712 1816 2048 3424 3632 4096 6848 7264 13696 14528 24289 27392 29056 48578 54784 58112 97156 109568 116224 194312 219136 232448 388624 438272 464896 777248 929792 1554496 3108992 6217984 12435968 24871936 49743872 99487744