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70122744 = 23323189353
BaseRepresentation
bin1000010110111…
…11110011111000
311212221121022200
410023133303320
5120422411434
610542550200
71511014326
oct413376370
9155847280
1070122744
113664528a
121b598360
13116b2663
149454d16
156252199
hex42dfcf8

70122744 has 96 divisors (see below), whose sum is σ = 198806400. Its totient is φ = 22302720.

The previous prime is 70122737. The next prime is 70122757. The reversal of 70122744 is 44722107.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198472 + ... + 198824.

It is an arithmetic number, because the mean of its divisors is an integer number (2070900).

Almost surely, 270122744 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 70122744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99403200).

70122744 is an abundant number, since it is smaller than the sum of its proper divisors (128683656).

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

70122744 is a wasteful number, since it uses less digits than its factorization.

70122744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 70122744 is about 8373.9324095672. The cubic root of 70122744 is about 412.3692764837.

The spelling of 70122744 in words is "seventy million, one hundred twenty-two thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 89 93 124 178 186 248 267 279 353 356 372 534 558 706 712 744 801 1059 1068 1116 1412 1602 2118 2136 2232 2759 2824 3177 3204 4236 5518 6354 6408 8277 8472 10943 11036 12708 16554 21886 22072 24831 25416 31417 32829 33108 43772 49662 62834 65658 66216 87544 94251 98487 99324 125668 131316 188502 196974 198648 251336 262632 282753 377004 393948 565506 754008 787896 973927 1131012 1947854 2262024 2921781 3895708 5843562 7791416 8765343 11687124 17530686 23374248 35061372 70122744