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70412250 = 2353223421
BaseRepresentation
bin1000011001001…
…10011111011010
311220111022110010
410030212133122
5121011143000
610553102350
71513331346
oct414463732
9156438403
1070412250
1136822847
121b6b79b6
131178436c
1494cc626
1562acd50
hex43267da

70412250 has 64 divisors (see below), whose sum is σ = 176956416. Its totient is φ = 18648000.

The previous prime is 70412231. The next prime is 70412263. The reversal of 70412250 is 5221407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167040 + ... + 167460.

It is an arithmetic number, because the mean of its divisors is an integer number (2764944).

Almost surely, 270412250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70412250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88478208).

70412250 is an abundant number, since it is smaller than the sum of its proper divisors (106544166).

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

70412250 is a wasteful number, since it uses less digits than its factorization.

70412250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 70412250 is about 8391.2007484031. The cubic root of 70412250 is about 412.9359944743.

Adding to 70412250 its reverse (5221407), we get a palindrome (75633657).

The spelling of 70412250 in words is "seventy million, four hundred twelve thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 223 250 375 421 446 669 750 842 1115 1263 1338 2105 2230 2526 3345 4210 5575 6315 6690 10525 11150 12630 16725 21050 27875 31575 33450 52625 55750 63150 83625 93883 105250 157875 167250 187766 281649 315750 469415 563298 938830 1408245 2347075 2816490 4694150 7041225 11735375 14082450 23470750 35206125 70412250