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70590042 = 235337431
BaseRepresentation
bin1000011010100…
…01111001011010
311220211100100000
410031101321122
5121032340132
611000553430
71515001605
oct415217132
9156740300
1070590042
1136934386
121b782876
1311817273
14953733c
1562e587c
hex4351e5a

70590042 has 48 divisors (see below), whose sum is σ = 159449472. Its totient is φ = 23405760.

The previous prime is 70589983. The next prime is 70590071. The reversal of 70590042 is 24009507.

70590042 is a `hidden beast` number, since 70 + 590 + 0 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70589988 and 70590015.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 163567 + ... + 163997.

It is an arithmetic number, because the mean of its divisors is an integer number (3321864).

Almost surely, 270590042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70590042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79724736).

70590042 is an abundant number, since it is smaller than the sum of its proper divisors (88859430).

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

70590042 is a wasteful number, since it uses less digits than its factorization.

70590042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 70590042 is about 8401.7880239863. The cubic root of 70590042 is about 413.2832589067.

Adding to 70590042 its reverse (24009507), we get a palindrome (94599549).

The spelling of 70590042 in words is "seventy million, five hundred ninety thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 337 431 486 674 862 1011 1293 2022 2586 3033 3879 6066 7758 9099 11637 18198 23274 27297 34911 54594 69822 81891 104733 145247 163782 209466 290494 435741 871482 1307223 2614446 3921669 7843338 11765007 23530014 35295021 70590042