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70424724 = 22316633529
BaseRepresentation
bin1000011001010…
…01100010010100
311220111221120010
410030221202110
5121012042344
610553240220
71513412616
oct414514224
9156457503
1070424724
1136831157
121b703070
1311789c46
1494d2db6
1562b18b9
hex4329894

70424724 has 24 divisors (see below), whose sum is σ = 164469760. Its totient is φ = 23454144.

The previous prime is 70424723. The next prime is 70424729. The reversal of 70424724 is 42742407.

It is a junction number, because it is equal to n+sod(n) for n = 70424691 and 70424700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70424723) 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, 18192 + ... + 21720.

Almost surely, 270424724 is an apocalyptic number.

It is an amenable number.

70424724 is an abundant number, since it is smaller than the sum of its proper divisors (94045036).

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

70424724 is a wasteful number, since it uses less digits than its factorization.

70424724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199 (or 5197 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 70424724 is about 8391.9439940934. The cubic root of 70424724 is about 412.9603778235.

The spelling of 70424724 in words is "seventy million, four hundred twenty-four thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 1663 3326 3529 4989 6652 7058 9978 10587 14116 19956 21174 42348 5868727 11737454 17606181 23474908 35212362 70424724