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70220612 = 22711227989
BaseRepresentation
bin1000010111101…
…11101101000100
311220010120120102
410023313231010
5120434024422
610545023232
71511602550
oct413675504
9156116512
1070220612
1136701870
121b624b18
1311718077
14947c860
156271192
hex42f7b44

70220612 has 24 divisors (see below), whose sum is σ = 153209280. Its totient is φ = 27358560.

The previous prime is 70220603. The next prime is 70220621. The reversal of 70220612 is 21602207.

It is an interprime number because it is at equal distance from previous prime (70220603) and next prime (70220621).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113687 + ... + 114302.

It is an arithmetic number, because the mean of its divisors is an integer number (6383720).

Almost surely, 270220612 is an apocalyptic number.

It is an amenable number.

70220612 is an abundant number, since it is smaller than the sum of its proper divisors (82988668).

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

70220612 is a wasteful number, since it uses less digits than its factorization.

70220612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228011 (or 228009 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70220612 is about 8379.7739826322. The cubic root of 70220612 is about 412.5610307005.

Adding to 70220612 its reverse (21602207), we get a palindrome (91822819).

The spelling of 70220612 in words is "seventy million, two hundred twenty thousand, six hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 227989 455978 911956 1595923 2507879 3191846 5015758 6383692 10031516 17555153 35110306 70220612