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70497882 = 232713193223
BaseRepresentation
bin1000011001110…
…11011001011010
311220122122220200
410030323121122
5121021413012
610555003030
71514136120
oct414733132
9156578820
1070497882
1136881114
121b739476
13117b4330
149511910
1562c83dc
hex433b65a

70497882 has 96 divisors (see below), whose sum is σ = 189815808. Its totient is φ = 18413568.

The previous prime is 70497863. The next prime is 70497887. The reversal of 70497882 is 28879407.

It is not an unprimeable number, because it can be changed into a prime (70497887) 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, 316023 + ... + 316245.

It is an arithmetic number, because the mean of its divisors is an integer number (1977248).

Almost surely, 270497882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70497882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94907904).

70497882 is an abundant number, since it is smaller than the sum of its proper divisors (119317926).

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

70497882 is a wasteful number, since it uses less digits than its factorization.

70497882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 70497882 is about 8396.3016858615. The cubic root of 70497882 is about 413.1033243075.

The spelling of 70497882 in words is "seventy million, four hundred ninety-seven thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 193 223 234 273 386 446 546 579 669 819 1158 1338 1351 1561 1638 1737 2007 2509 2702 2899 3122 3474 4014 4053 4683 5018 5798 7527 8106 8697 9366 12159 14049 15054 17394 17563 20293 22581 24318 26091 28098 35126 40586 43039 45162 52182 52689 60879 86078 105378 121758 129117 158067 182637 258234 301273 316134 365274 387351 559507 602546 774702 903819 1119014 1678521 1807638 2711457 3357042 3916549 5035563 5422914 7833098 10071126 11749647 23499294 35248941 70497882