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70822472 = 2371264687
BaseRepresentation
bin1000011100010…
…10101001001000
311221021011011112
410032022221020
5121112304342
611005545452
71516660340
oct416125110
9157234145
1070822472
1136a82a76
121b875288
1311898cb6
149597d20
15633e682
hex438aa48

70822472 has 16 divisors (see below), whose sum is σ = 151762560. Its totient is φ = 30352464.

The previous prime is 70822471. The next prime is 70822501. The reversal of 70822472 is 27422807.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70822471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632288 + ... + 632399.

It is an arithmetic number, because the mean of its divisors is an integer number (9485160).

Almost surely, 270822472 is an apocalyptic number.

It is an amenable number.

70822472 is an abundant number, since it is smaller than the sum of its proper divisors (80940088).

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

70822472 is a wasteful number, since it uses less digits than its factorization.

70822472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264700 (or 1264696 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 70822472 is about 8415.6088312136. The cubic root of 70822472 is about 413.7363643155.

The spelling of 70822472 in words is "seventy million, eight hundred twenty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 1264687 2529374 5058748 8852809 10117496 17705618 35411236 70822472