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70055944 = 2374347619
BaseRepresentation
bin1000010110011…
…11100000001000
311212211012200121
410023033200020
5120413242234
610541313024
71510315510
oct413174010
9155735617
1070055944
11365aa082
121b565774
131168b12a
149438840
15623c4b4
hex42cf808

70055944 has 64 divisors (see below), whose sum is σ = 157132800. Its totient is φ = 28655424.

The previous prime is 70055941. The next prime is 70055957. The reversal of 70055944 is 44955007.

It is a super-2 number, since 2×700559442 = 9815670579462272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70055941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112867 + ... + 113485.

It is an arithmetic number, because the mean of its divisors is an integer number (2455200).

Almost surely, 270055944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70055944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78566400).

70055944 is an abundant number, since it is smaller than the sum of its proper divisors (87076856).

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

70055944 is a wasteful number, since it uses less digits than its factorization.

70055944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 70055944 is about 8369.9428910835. The cubic root of 70055944 is about 412.2382917859.

It can be divided in two parts, 700 and 55944, that added together give a square (56644 = 2382).

The spelling of 70055944 in words is "seventy million, fifty-five thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 28 43 47 56 86 94 172 188 301 329 344 376 602 619 658 1204 1238 1316 2021 2408 2476 2632 4042 4333 4952 8084 8666 14147 16168 17332 26617 28294 29093 34664 53234 56588 58186 106468 113176 116372 186319 203651 212936 232744 372638 407302 745276 814604 1250999 1490552 1629208 2501998 5003996 8756993 10007992 17513986 35027972 70055944