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122914008 = 23327317867
BaseRepresentation
bin1110101001110…
…00010011011000
322120021200022200
413110320103120
5222431222013
620110250200
73021515610
oct724702330
9276250280
10122914008
1163422128
12351b6960
131c6073a9
1412477a40
15abcde73
hex75384d8

122914008 has 96 divisors (see below), whose sum is σ = 392770560. Its totient is φ = 33981120.

The previous prime is 122914007. The next prime is 122914009. The reversal of 122914008 is 800419221.

It is an interprime number because it is at equal distance from previous prime (122914007) and next prime (122914009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122914007) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11691 + ... + 19557.

It is an arithmetic number, because the mean of its divisors is an integer number (4091360).

Almost surely, 2122914008 is an apocalyptic number.

122914008 is a gapful number since it is divisible by the number (18) 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 122914008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196385280).

122914008 is an abundant number, since it is smaller than the sum of its proper divisors (269856552).

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

122914008 is a wasteful number, since it uses less digits than its factorization.

122914008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917 (or 7910 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 122914008 is about 11086.6590098190. The cubic root of 122914008 is about 497.2030607687.

The spelling of 122914008 in words is "one hundred twenty-two million, nine hundred fourteen thousand, eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 31 36 42 56 62 63 72 84 93 124 126 168 186 217 248 252 279 372 434 504 558 651 744 868 1116 1302 1736 1953 2232 2604 3906 5208 7812 7867 15624 15734 23601 31468 47202 55069 62936 70803 94404 110138 141606 165207 188808 220276 243877 283212 330414 440552 487754 495621 566424 660828 731631 975508 991242 1321656 1463262 1707139 1951016 1982484 2194893 2926524 3414278 3964968 4389786 5121417 5853048 6828556 8779572 10242834 13657112 15364251 17559144 20485668 30728502 40971336 61457004 122914008