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70657076 = 22712791973
BaseRepresentation
bin1000011011000…
…10010000110100
311220221202021202
410031202100310
5121042011301
611002232032
71515401210
oct415422064
9156852252
1070657076
113697a786
121b7b5618
131183b929
149553940
15630a66b
hex4362434

70657076 has 24 divisors (see below), whose sum is σ = 141496320. Its totient is φ = 30242592.

The previous prime is 70657051. The next prime is 70657099. The reversal of 70657076 is 67075607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34826 + ... + 36798.

It is an arithmetic number, because the mean of its divisors is an integer number (5895680).

Almost surely, 270657076 is an apocalyptic number.

It is an amenable number.

70657076 is an abundant number, since it is smaller than the sum of its proper divisors (70839244).

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

70657076 is a wasteful number, since it uses less digits than its factorization.

70657076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263 (or 3261 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 70657076 is about 8405.7763472507. The cubic root of 70657076 is about 413.4140387558.

It can be divided in two parts, 7065 and 7076, that added together give a palindrome (14141).

The spelling of 70657076 in words is "seventy million, six hundred fifty-seven thousand, seventy-six".

Divisors: 1 2 4 7 14 28 1279 1973 2558 3946 5116 7892 8953 13811 17906 27622 35812 55244 2523467 5046934 10093868 17664269 35328538 70657076