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672997192 = 23712017807
BaseRepresentation
bin101000000111010…
…001111101001000
31201220100210120221
4220013101331020
52334241402232
6150440355424
722451244640
oct5007217510
91656323527
10672997192
1131598682a
12169475b74
13a95766ba
1465549520
153e13b897
hex281d1f48

672997192 has 16 divisors (see below), whose sum is σ = 1442136960. Its totient is φ = 288427344.

The previous prime is 672997177. The next prime is 672997211. The reversal of 672997192 is 291799276.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6008848 + ... + 6008959.

It is an arithmetic number, because the mean of its divisors is an integer number (90133560).

Almost surely, 2672997192 is an apocalyptic number.

It is an amenable number.

672997192 is an abundant number, since it is smaller than the sum of its proper divisors (769139768).

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

672997192 is a wasteful number, since it uses less digits than its factorization.

672997192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12017820 (or 12017816 counting only the distinct ones).

The product of its digits is 857304, while the sum is 52.

The square root of 672997192 is about 25942.1894218665. The cubic root of 672997192 is about 876.3368699450.

The spelling of 672997192 in words is "six hundred seventy-two million, nine hundred ninety-seven thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 12017807 24035614 48071228 84124649 96142456 168249298 336498596 672997192