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70261400 = 235211109293
BaseRepresentation
bin1000011000000…
…01101010011000
311220012122112002
410030001222120
5120441331100
610545540132
71512132506
oct414015230
9156178462
1070261400
113672a480
121b644648
13117307c1
14948d676
15627d2d5
hex4301a98

70261400 has 96 divisors (see below), whose sum is σ = 180457200. Its totient is φ = 25228800.

The previous prime is 70261393. The next prime is 70261439. The reversal of 70261400 is 416207.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 239654 + ... + 239946.

Almost surely, 270261400 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 70261400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90228600).

70261400 is an abundant number, since it is smaller than the sum of its proper divisors (110195800).

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

70261400 is a wasteful number, since it uses less digits than its factorization.

70261400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70261400 is about 8382.2073465168. The cubic root of 70261400 is about 412.6408946311.

Adding to 70261400 its reverse (416207), we get a palindrome (70677607).

The spelling of 70261400 in words is "seventy million, two hundred sixty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 109 110 200 218 220 275 293 436 440 545 550 586 872 1090 1100 1172 1199 1465 2180 2200 2344 2398 2725 2930 3223 4360 4796 5450 5860 5995 6446 7325 9592 10900 11720 11990 12892 14650 16115 21800 23980 25784 29300 29975 31937 32230 47960 58600 59950 63874 64460 80575 119900 127748 128920 159685 161150 239800 255496 319370 322300 351307 638740 644600 702614 798425 1277480 1405228 1596850 1756535 2810456 3193700 3513070 6387400 7026140 8782675 14052280 17565350 35130700 70261400