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197450970 = 23553124183
BaseRepresentation
bin10111100010011…
…01110011011010
3111202112112210220
423301031303122
5401021412340
631332020510
74615206543
oct1361156332
9452475726
10197450970
11a1501922
1256161736
1331ba3cc2
141c31b4ca
1512503ed0
hexbc4dcda

197450970 has 32 divisors (see below), whose sum is σ = 482827392. Its totient is φ = 51659712.

The previous prime is 197450959. The next prime is 197450987. The reversal of 197450970 is 79054791.

It is a happy 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, 60502 + ... + 63681.

It is an arithmetic number, because the mean of its divisors is an integer number (15088356).

Almost surely, 2197450970 is an apocalyptic number.

197450970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197450970 is an abundant number, since it is smaller than the sum of its proper divisors (285376422).

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

197450970 is a wasteful number, since it uses less digits than its factorization.

197450970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124246.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 197450970 is about 14051.7248051618. The cubic root of 197450970 is about 582.3084476411.

The spelling of 197450970 in words is "one hundred ninety-seven million, four hundred fifty thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 124183 248366 372549 620915 745098 1241830 1862745 3725490 6581699 13163398 19745097 32908495 39490194 65816990 98725485 197450970