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70649104 = 24291071423
BaseRepresentation
bin1000011011000…
…00010100010000
311220221100100111
410031200110100
5121041232404
611002131104
71515336031
oct415402420
9156840314
1070649104
1136974799
121b7b0a94
1311838106
149550a88
156308104
hex4360510

70649104 has 40 divisors (see below), whose sum is σ = 143026560. Its totient is φ = 33763968.

The previous prime is 70649099. The next prime is 70649107. The reversal of 70649104 is 40194607.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70649107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48937 + ... + 50359.

It is an arithmetic number, because the mean of its divisors is an integer number (3575664).

Almost surely, 270649104 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 70649104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71513280).

70649104 is an abundant number, since it is smaller than the sum of its proper divisors (72377456).

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

70649104 is a wasteful number, since it uses less digits than its factorization.

70649104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70649104 is about 8405.3021361519. The cubic root of 70649104 is about 413.3984901330.

The spelling of 70649104 in words is "seventy million, six hundred forty-nine thousand, one hundred four".

Divisors: 1 2 4 8 16 29 58 107 116 214 232 428 464 856 1423 1712 2846 3103 5692 6206 11384 12412 22768 24824 41267 49648 82534 152261 165068 304522 330136 609044 660272 1218088 2436176 4415569 8831138 17662276 35324552 70649104