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70244574 = 23313759173
BaseRepresentation
bin1000010111111…
…01100011011110
311220011210102220
410023331203132
5120440311244
610545330210
71512032451
oct413754336
9156153386
1070244574
1136718874
121b636966
1311725c4a
149487498
156278319
hex42fd8de

70244574 has 64 divisors (see below), whose sum is σ = 152340480. Its totient is φ = 21548160.

The previous prime is 70244569. The next prime is 70244597. The reversal of 70244574 is 47544207.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405952 + ... + 406124.

It is an arithmetic number, because the mean of its divisors is an integer number (2380320).

Almost surely, 270244574 is an apocalyptic number.

70244574 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

70244574 is an abundant number, since it is smaller than the sum of its proper divisors (82095906).

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

70244574 is a wasteful number, since it uses less digits than its factorization.

70244574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 70244574 is about 8381.2036128470. The cubic root of 70244574 is about 412.6079526459.

The spelling of 70244574 in words is "seventy million, two hundred forty-four thousand, five hundred seventy-four".

Divisors: 1 2 3 6 31 37 59 62 74 93 111 118 173 177 186 222 346 354 519 1038 1147 1829 2183 2294 3441 3658 4366 5363 5487 6401 6549 6882 10207 10726 10974 12802 13098 16089 19203 20414 30621 32178 38406 61242 67673 135346 198431 203019 316417 377659 396862 406038 595293 632834 755318 949251 1132977 1190586 1898502 2265954 11707429 23414858 35122287 70244574