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70426530 = 2335594421
BaseRepresentation
bin1000011001010…
…01111110100010
311220112001001000
410030221332202
5121012122110
610553252430
71513421106
oct414517642
9156461030
1070426530
1136832549
121b704116
131178aa05
1494d3906
1562b21c0
hex4329fa2

70426530 has 64 divisors (see below), whose sum is σ = 191030400. Its totient is φ = 18457920.

The previous prime is 70426511. The next prime is 70426549. The reversal of 70426530 is 3562407.

It is a happy number.

70426530 is a `hidden beast` number, since 7 + 0 + 4 + 2 + 653 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (70426511) and next prime (70426549).

It is a super-2 number, since 2×704265302 = 9919792255681800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70426494 and 70426503.

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 31 ways as a sum of consecutive naturals, for example, 13720 + ... + 18140.

It is an arithmetic number, because the mean of its divisors is an integer number (2984850).

Almost surely, 270426530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70426530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95515200).

70426530 is an abundant number, since it is smaller than the sum of its proper divisors (120603870).

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

70426530 is a wasteful number, since it uses less digits than its factorization.

70426530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4490 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 70426530 is about 8392.0515966002. The cubic root of 70426530 is about 412.9639078341.

Adding to 70426530 its reverse (3562407), we get a palindrome (73988937).

The spelling of 70426530 in words is "seventy million, four hundred twenty-six thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 59 90 118 135 177 270 295 354 531 590 885 1062 1593 1770 2655 3186 4421 5310 7965 8842 13263 15930 22105 26526 39789 44210 66315 79578 119367 132630 198945 238734 260839 397890 521678 596835 782517 1193670 1304195 1565034 2347551 2608390 3912585 4695102 7042653 7825170 11737755 14085306 23475510 35213265 70426530