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70923284 = 2217730821
BaseRepresentation
bin1000011101000…
…11010000010100
311221110021110022
410032203100110
5121124021114
611012044312
71520560265
oct416432024
9157407408
1070923284
1137041793
121b903698
1311902b53
1495c296c
15635e48e
hex43a3414

70923284 has 6 divisors (see below), whose sum is σ = 124115754. Its totient is φ = 35461640.

The previous prime is 70923263. The next prime is 70923289. The reversal of 70923284 is 48232907.

It can be written as a sum of positive squares in only one way, i.e., 58951684 + 11971600 = 7678^2 + 3460^2 .

It is a super-2 number, since 2×709232842 = 10060224426689312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70923289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8865407 + ... + 8865414.

It is an arithmetic number, because the mean of its divisors is an integer number (20685959).

Almost surely, 270923284 is an apocalyptic number.

It is an amenable number.

70923284 is a deficient number, since it is larger than the sum of its proper divisors (53192470).

70923284 is a wasteful number, since it uses less digits than its factorization.

70923284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730825 (or 17730823 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 70923284 is about 8421.5962857406. The cubic root of 70923284 is about 413.9325817700.

The spelling of 70923284 in words is "seventy million, nine hundred twenty-three thousand, two hundred eighty-four".

Divisors: 1 2 4 17730821 35461642 70923284