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104979402 = 2351173269
BaseRepresentation
bin1100100000111…
…01101111001010
321022112111200000
412100131233022
5203333320102
614230023430
72413211253
oct620355712
9238474600
10104979402
1154292640
122b1a7b76
13189980b8
14dd29b2a
15933a01c
hex641dbca

104979402 has 96 divisors (see below), whose sum is σ = 261817920. Its totient is φ = 31259520.

The previous prime is 104979377. The next prime is 104979409. The reversal of 104979402 is 204979401.

It is a super-2 number, since 2×1049794022 = 22041349688555208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104979409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 390124 + ... + 390392.

It is an arithmetic number, because the mean of its divisors is an integer number (2727270).

Almost surely, 2104979402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104979402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130908960).

104979402 is an abundant number, since it is smaller than the sum of its proper divisors (156838518).

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

104979402 is a wasteful number, since it uses less digits than its factorization.

104979402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 104979402 is about 10245.9456371777. The cubic root of 104979402 is about 471.7385467886.

Subtracting 104979402 from its reverse (204979401), we obtain a palindrome (99999999).

The spelling of 104979402 in words is "one hundred four million, nine hundred seventy-nine thousand, four hundred two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 73 81 99 146 162 198 219 243 269 297 438 486 538 594 657 803 807 891 1314 1606 1614 1782 1971 2409 2421 2673 2959 3942 4818 4842 5346 5913 5918 7227 7263 8877 11826 14454 14526 17739 17754 19637 21681 21789 26631 35478 39274 43362 43578 53262 58911 65043 65367 79893 117822 130086 130734 159786 176733 195129 216007 239679 353466 390258 432014 479358 530199 648021 719037 1060398 1296042 1438074 1590597 1944063 3181194 3888126 4771791 5832189 9543582 11664378 17496567 34993134 52489701 104979402