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97450428 = 22361671987
BaseRepresentation
bin1011100111011…
…11100110111100
320210100222212010
411303233212330
5144421403203
613400411220
72262213015
oct563574674
9223328763
1097450428
115000aa49
1228776b10
131726019a
14cd2a00c
15884e303
hex5cef9bc

97450428 has 48 divisors (see below), whose sum is σ = 234679424. Its totient is φ = 31458240.

The previous prime is 97450363. The next prime is 97450433. The reversal of 97450428 is 82405479.

It is a congruent number.

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, 48051 + ... + 50037.

Almost surely, 297450428 is an apocalyptic number.

It is an amenable number.

97450428 is an abundant number, since it is smaller than the sum of its proper divisors (137228996).

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

97450428 is a wasteful number, since it uses less digits than its factorization.

97450428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 97450428 is about 9871.6983341267. The cubic root of 97450428 is about 460.1801877581.

The spelling of 97450428 in words is "ninety-seven million, four hundred fifty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 61 67 122 134 183 201 244 268 366 402 732 804 1987 3974 4087 5961 7948 8174 11922 12261 16348 23844 24522 49044 121207 133129 242414 266258 363621 399387 484828 532516 727242 798774 1454484 1597548 8120869 16241738 24362607 32483476 48725214 97450428