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122967928 = 2315370991
BaseRepresentation
bin1110101010001…
…01011101111000
322120101102021201
413111011131320
5222434433203
620111343544
73022132036
oct725053570
9276342251
10122967928
1163459696
1235221bb4
131c625ab5
141248d556
15abdee1d
hex7545778

122967928 has 8 divisors (see below), whose sum is σ = 230564880. Its totient is φ = 61483960.

The previous prime is 122967899. The next prime is 122967937. The reversal of 122967928 is 829769221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1229679282 = 30242222633226368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7685488 + ... + 7685503.

It is an arithmetic number, because the mean of its divisors is an integer number (28820610).

Almost surely, 2122967928 is an apocalyptic number.

It is an amenable number.

122967928 is a deficient number, since it is larger than the sum of its proper divisors (107596952).

122967928 is a wasteful number, since it uses less digits than its factorization.

122967928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370997 (or 15370993 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 122967928 is about 11089.0904947160. The cubic root of 122967928 is about 497.2757545980.

The spelling of 122967928 in words is "one hundred twenty-two million, nine hundred sixty-seven thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 15370991 30741982 61483964 122967928