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56140070 = 2573141631
BaseRepresentation
bin1101011000101…
…0000100100110
310220122012200212
43112022010212
5103332440240
65323135422
71251116450
oct326120446
9126565625
1056140070
1129764958
1216974572
13b82809c
1476552d0
154dde165
hex358a126

56140070 has 64 divisors (see below), whose sum is σ = 122314752. Its totient is φ = 18144000.

The previous prime is 56140067. The next prime is 56140081. The reversal of 56140070 is 7004165.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 88655 + ... + 89285.

It is an arithmetic number, because the mean of its divisors is an integer number (1911168).

Almost surely, 256140070 is an apocalyptic number.

56140070 is an abundant number, since it is smaller than the sum of its proper divisors (66174682).

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

56140070 is a wasteful number, since it uses less digits than its factorization.

56140070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 56140070 is about 7492.6677492066. The cubic root of 56140070 is about 382.9049522475.

The spelling of 56140070 in words is "fifty-six million, one hundred forty thousand, seventy".

Divisors: 1 2 5 7 10 14 31 35 41 62 70 82 155 205 217 287 310 410 434 574 631 1085 1262 1271 1435 2170 2542 2870 3155 4417 6310 6355 8834 8897 12710 17794 19561 22085 25871 39122 44170 44485 51742 88970 97805 129355 136927 181097 195610 258710 273854 362194 684635 802001 905485 1369270 1604002 1810970 4010005 5614007 8020010 11228014 28070035 56140070