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70894950 = 23527251269
BaseRepresentation
bin1000011100111…
…00010101100110
311221101211120220
410032130111212
5121122114300
611011305210
71520411550
oct416342546
9157354526
1070894950
1137022475
121b8ab206
13118c2c99
1495b64d0
156355da0
hex439c566

70894950 has 96 divisors (see below), whose sum is σ = 202487040. Its totient is φ = 16080000.

The previous prime is 70894939. The next prime is 70894969. The reversal of 70894950 is 5949807.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 263416 + ... + 263684.

It is an arithmetic number, because the mean of its divisors is an integer number (2109240).

Almost surely, 270894950 is an apocalyptic number.

70894950 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70894950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101243520).

70894950 is an abundant number, since it is smaller than the sum of its proper divisors (131592090).

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

70894950 is a wasteful number, since it uses less digits than its factorization.

70894950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70894950 is about 8419.9138950467. The cubic root of 70894950 is about 413.8774521177.

The spelling of 70894950 in words is "seventy million, eight hundred ninety-four thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 251 269 350 502 525 538 753 807 1050 1255 1345 1506 1614 1757 1883 2510 2690 3514 3765 3766 4035 5271 5649 6275 6725 7530 8070 8785 9415 10542 11298 12550 13450 17570 18825 18830 20175 26355 28245 37650 40350 43925 47075 52710 56490 67519 87850 94150 131775 135038 141225 202557 263550 282450 337595 405114 472633 675190 945266 1012785 1417899 1687975 2025570 2363165 2835798 3375950 4726330 5063925 7089495 10127850 11815825 14178990 23631650 35447475 70894950