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70204056 = 23313832711
BaseRepresentation
bin1000010111100…
…11101010011000
311220002201212020
410023303222120
5120433012211
610544414440
71511503356
oct413635230
9156081766
1070204056
11366a038a
121b617420
1311710680
1494767d6
15626b306
hex42f3a98

70204056 has 64 divisors (see below), whose sum is σ = 191358720. Its totient is φ = 21333120.

The previous prime is 70204051. The next prime is 70204081. The reversal of 70204056 is 65040207.

It is a happy number.

It is a super-2 number, since 2×702040562 = 9857218957702272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70204051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24541 + ... + 27251.

It is an arithmetic number, because the mean of its divisors is an integer number (2989980).

Almost surely, 270204056 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 70204056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95679360).

70204056 is an abundant number, since it is smaller than the sum of its proper divisors (121154664).

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

70204056 is a wasteful number, since it uses less digits than its factorization.

70204056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70204056 is about 8378.7860695927. The cubic root of 70204056 is about 412.5286048116.

The spelling of 70204056 in words is "seventy million, two hundred four thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 83 104 156 166 249 312 332 498 664 996 1079 1992 2158 2711 3237 4316 5422 6474 8133 8632 10844 12948 16266 21688 25896 32532 35243 65064 70486 105729 140972 211458 225013 281944 422916 450026 675039 845832 900052 1350078 1800104 2700156 2925169 5400312 5850338 8775507 11700676 17551014 23401352 35102028 70204056