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70374924 = 223267163179
BaseRepresentation
bin1000011000111…
…01011000001100
311220102102020200
410030131120030
5121003444144
610552213500
71513114464
oct414353014
9156372220
1070374924
11367a77a4
121b69a290
1311770389
1494bcba4
1562a1c69
hex431d60c

70374924 has 72 divisors (see below), whose sum is σ = 182669760. Its totient is φ = 22838112.

The previous prime is 70374923. The next prime is 70374943. The reversal of 70374924 is 42947307.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70374923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393067 + ... + 393245.

It is an arithmetic number, because the mean of its divisors is an integer number (2537080).

Almost surely, 270374924 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 70374924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91334880).

70374924 is an abundant number, since it is smaller than the sum of its proper divisors (112294836).

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

70374924 is a wasteful number, since it uses less digits than its factorization.

70374924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 70374924 is about 8388.9763380284. The cubic root of 70374924 is about 412.8630148754.

The spelling of 70374924 in words is "seventy million, three hundred seventy-four thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 163 179 201 268 326 358 402 489 537 603 652 716 804 978 1074 1206 1467 1611 1956 2148 2412 2934 3222 5868 6444 10921 11993 21842 23986 29177 32763 35979 43684 47972 58354 65526 71958 87531 98289 107937 116708 131052 143916 175062 196578 215874 262593 350124 393156 431748 525186 1050372 1954859 3909718 5864577 7819436 11729154 17593731 23458308 35187462 70374924