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70042104 = 23331141719
BaseRepresentation
bin1000010110011…
…00000111111000
311212210111201000
410023030013320
5120412321404
610541125000
71510230246
oct413140770
9155714630
1070042104
113659a740
121b559760
1311684a42
149433796
156238339
hex42cc1f8

70042104 has 128 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 20678400.

The previous prime is 70042087. The next prime is 70042109. The reversal of 70042104 is 40124007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70042109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97057 + ... + 97775.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 270042104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70042104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108864000).

70042104 is an abundant number, since it is smaller than the sum of its proper divisors (147685896).

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

70042104 is a wasteful number, since it uses less digits than its factorization.

70042104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 70042104 is about 8369.1160823590. The cubic root of 70042104 is about 412.2111432273.

The spelling of 70042104 in words is "seventy million, forty-two thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 41 44 54 66 72 82 88 99 108 123 132 164 198 216 246 264 297 328 369 396 451 492 594 719 738 792 902 984 1107 1188 1353 1438 1476 1804 2157 2214 2376 2706 2876 2952 3608 4059 4314 4428 5412 5752 6471 7909 8118 8628 8856 10824 12177 12942 15818 16236 17256 19413 23727 24354 25884 29479 31636 32472 38826 47454 48708 51768 58958 63272 71181 77652 88437 94908 97416 117916 142362 155304 176874 189816 213543 235832 265311 284724 324269 353748 427086 530622 569448 648538 707496 795933 854172 972807 1061244 1297076 1591866 1708344 1945614 2122488 2594152 2918421 3183732 3891228 5836842 6367464 7782456 8755263 11673684 17510526 23347368 35021052 70042104