Search a number
-
+
97872270 = 23531105239
BaseRepresentation
bin1011101010101…
…10100110001110
320211011102111220
411311112212032
5200023403040
613413424210
72265620616
oct565264616
9224142456
1097872270
1150278981
122893b066
131737a1b2
14cdd9a46
1588d42d0
hex5d5698e

97872270 has 32 divisors (see below), whose sum is σ = 242472960. Its totient is φ = 25257120.

The previous prime is 97872253. The next prime is 97872277. The reversal of 97872270 is 7227879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97872277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51690 + ... + 53549.

It is an arithmetic number, because the mean of its divisors is an integer number (7577280).

Almost surely, 297872270 is an apocalyptic number.

97872270 is an abundant number, since it is smaller than the sum of its proper divisors (144600690).

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

97872270 is a wasteful number, since it uses less digits than its factorization.

97872270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105280.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 97872270 is about 9893.0414938986. The cubic root of 97872270 is about 460.8432390493.

The spelling of 97872270 in words is "ninety-seven million, eight hundred seventy-two thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 105239 210478 315717 526195 631434 1052390 1578585 3157170 3262409 6524818 9787227 16312045 19574454 32624090 48936135 97872270