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122668896 = 2537277659
BaseRepresentation
bin1110100111111…
…00011101100000
322112211020002110
413103330131200
5222400401041
620101115320
73016445160
oct723743540
9275736073
10122668896
1163274a59
12350b8b40
131c54c95c
14124125a0
15ab81516
hex74fc760

122668896 has 96 divisors (see below), whose sum is σ = 369895680. Its totient is φ = 34868736.

The previous prime is 122668877. The next prime is 122668907. The reversal of 122668896 is 698866221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 185815 + ... + 186473.

It is an arithmetic number, because the mean of its divisors is an integer number (3853080).

Almost surely, 2122668896 is an apocalyptic number.

122668896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122668896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184947840).

122668896 is an abundant number, since it is smaller than the sum of its proper divisors (247226784).

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

122668896 is a wasteful number, since it uses less digits than its factorization.

122668896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 948 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 122668896 is about 11075.5991260067. The cubic root of 122668896 is about 496.8723375831.

The spelling of 122668896 in words is "one hundred twenty-two million, six hundred sixty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 277 336 554 659 672 831 1108 1318 1662 1939 1977 2216 2636 3324 3878 3954 4432 4613 5272 5817 6648 7756 7908 8864 9226 10544 11634 13296 13839 15512 15816 18452 21088 23268 26592 27678 31024 31632 36904 46536 55356 62048 63264 73808 93072 110712 147616 182543 186144 221424 365086 442848 547629 730172 1095258 1277801 1460344 2190516 2555602 2920688 3833403 4381032 5111204 5841376 7666806 8762064 10222408 15333612 17524128 20444816 30667224 40889632 61334448 122668896