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99228969 = 3472231087
BaseRepresentation
bin1011110101000…
…01110100101001
320220201100120000
411322201310221
5200400311334
613502453213
72313301200
oct572416451
9226640500
1099228969
1151015214
1229294209
1317733888
14d270237
158aa1299
hex5ea1d29

99228969 has 60 divisors (see below), whose sum is σ = 180094464. Its totient is φ = 54187056.

The previous prime is 99228967. The next prime is 99228991. The reversal of 99228969 is 96982299.

It is not a de Polignac number, because 99228969 - 21 = 99228967 is a prime.

It is a super-2 number, since 2×992289692 = 19692776577605922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99228967) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 90744 + ... + 91830.

Almost surely, 299228969 is an apocalyptic number.

It is an amenable number.

99228969 is a deficient number, since it is larger than the sum of its proper divisors (80865495).

99228969 is a wasteful number, since it uses less digits than its factorization.

99228969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1120 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 99228969 is about 9961.3738510308. The cubic root of 99228969 is about 462.9628678974.

The spelling of 99228969 in words is "ninety-nine million, two hundred twenty-eight thousand, nine hundred sixty-nine".

Divisors: 1 3 7 9 21 23 27 49 63 69 81 147 161 189 207 441 483 567 621 1087 1127 1323 1449 1863 3261 3381 3969 4347 7609 9783 10143 13041 22827 25001 29349 30429 53263 68481 75003 88047 91287 159789 175007 205443 225009 479367 525021 616329 675027 1225049 1438101 1575063 2025081 3675147 4314303 4725189 11025441 14175567 33076323 99228969