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97028295 = 35713312293
BaseRepresentation
bin1011100100010…
…00100011000111
320202120112210120
411302020203013
5144314401140
613343353023
72255504220
oct562104307
9222515716
1097028295
114a851881
12285b2773
1317142cc0
14cc5a247
1587b91d0
hex5c888c7

97028295 has 64 divisors (see below), whose sum is σ = 197320704. Its totient is φ = 39605760.

The previous prime is 97028279. The next prime is 97028303. The reversal of 97028295 is 59282079.

It is not a de Polignac number, because 97028295 - 24 = 97028279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41169 + ... + 43461.

It is an arithmetic number, because the mean of its divisors is an integer number (3083136).

Almost surely, 297028295 is an apocalyptic number.

97028295 is an abundant number, since it is smaller than the sum of its proper divisors (100292409).

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

97028295 is a wasteful number, since it uses less digits than its factorization.

97028295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 97028295 is about 9850.2941580442. The cubic root of 97028295 is about 459.5147608436.

The spelling of 97028295 in words is "ninety-seven million, twenty-eight thousand, two hundred ninety-five".

Divisors: 1 3 5 7 13 15 21 31 35 39 65 91 93 105 155 195 217 273 403 455 465 651 1085 1209 1365 2015 2293 2821 3255 6045 6879 8463 11465 14105 16051 29809 34395 42315 48153 71083 80255 89427 149045 208663 213249 240765 355415 447135 497581 625989 924079 1043315 1066245 1492743 2487905 2772237 3129945 4620395 6468553 7463715 13861185 19405659 32342765 97028295