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99980452 = 2211131031697
BaseRepresentation
bin1011111010110…
…01010010100100
320222010112101201
411331121102210
5201043333302
613530532244
72322551125
oct575312244
9228115351
1099980452
1151488880
1229597084
1317937940
14d3c804c
158b9dc87
hex5f594a4

99980452 has 48 divisors (see below), whose sum is σ = 207672192. Its totient is φ = 41518080.

The previous prime is 99980443. The next prime is 99980477. The reversal of 99980452 is 25408999.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58068 + ... + 59764.

It is an arithmetic number, because the mean of its divisors is an integer number (4326504).

Almost surely, 299980452 is an apocalyptic number.

It is an amenable number.

99980452 is an abundant number, since it is smaller than the sum of its proper divisors (107691740).

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

99980452 is a wasteful number, since it uses less digits than its factorization.

99980452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 99980452 is about 9999.0225522298. The cubic root of 99980452 is about 464.1286367975.

The spelling of 99980452 in words is "ninety-nine million, nine hundred eighty thousand, four hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 103 143 206 286 412 572 1133 1339 1697 2266 2678 3394 4532 5356 6788 14729 18667 22061 29458 37334 44122 58916 74668 88244 174791 242671 349582 485342 699164 970684 1922701 2272283 3845402 4544566 7690804 9089132 24995113 49990226 99980452