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70351472 = 2410342689
BaseRepresentation
bin1000011000101…
…11101001110000
311220101020002002
410030113221300
5121002221342
610551513132
71512656222
oct414275160
9156336062
1070351472
1136791114
121b6887a8
13117627b9
1494b4412
156299d32
hex4317a70

70351472 has 20 divisors (see below), whose sum is σ = 137632560. Its totient is φ = 34833408.

The previous prime is 70351459. The next prime is 70351507. The reversal of 70351472 is 27415307.

It is a super-2 number, since 2×703514722 = 9898659225133568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19697 + ... + 22992.

It is an arithmetic number, because the mean of its divisors is an integer number (6881628).

Almost surely, 270351472 is an apocalyptic number.

It is an amenable number.

70351472 is a deficient number, since it is larger than the sum of its proper divisors (67281088).

70351472 is a wasteful number, since it uses less digits than its factorization.

70351472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42800 (or 42794 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 70351472 is about 8387.5784348046. The cubic root of 70351472 is about 412.8171484473.

Adding to 70351472 its reverse (27415307), we get a palindrome (97766779).

The spelling of 70351472 in words is "seventy million, three hundred fifty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 103 206 412 824 1648 42689 85378 170756 341512 683024 4396967 8793934 17587868 35175736 70351472