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197084872 = 23193673533
BaseRepresentation
bin10111011111101…
…00011011001000
3111201211221121201
423233310123020
5400423203442
631320113544
74612123315
oct1357643310
9451757551
10197084872
11a1281866
12560058b4
1331aa648a
141c263d0c
15124807b7
hexbbf46c8

197084872 has 32 divisors (see below), whose sum is σ = 390153600. Its totient is φ = 93075264.

The previous prime is 197084869. The next prime is 197084873. The reversal of 197084872 is 278480791.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (197084873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54018 + ... + 57550.

It is an arithmetic number, because the mean of its divisors is an integer number (12192300).

Almost surely, 2197084872 is an apocalyptic number.

It is an amenable number.

197084872 is a deficient number, since it is larger than the sum of its proper divisors (193068728).

197084872 is a wasteful number, since it uses less digits than its factorization.

197084872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925 (or 3921 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 197084872 is about 14038.6919618603. The cubic root of 197084872 is about 581.9483348681.

The spelling of 197084872 in words is "one hundred ninety-seven million, eighty-four thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 152 367 734 1468 2936 3533 6973 7066 13946 14132 27892 28264 55784 67127 134254 268508 537016 1296611 2593222 5186444 10372888 24635609 49271218 98542436 197084872