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70004493 = 3413193499
BaseRepresentation
bin1000010110000…
…10111100001101
311212201121010000
410023002330031
5120410120433
610540234513
71510012506
oct413027415
9155647100
1070004493
1136574459
121b53ba39
13116708a0
149423bad
15622c113
hex42c2f0d

70004493 has 40 divisors (see below), whose sum is σ = 118580000. Its totient is φ = 40800672.

The previous prime is 70004491. The next prime is 70004497. The reversal of 70004493 is 39440007.

It is not a de Polignac number, because 70004493 - 21 = 70004491 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70004491) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18258 + ... + 21756.

It is an arithmetic number, because the mean of its divisors is an integer number (2964500).

Almost surely, 270004493 is an apocalyptic number.

It is an amenable number.

70004493 is a deficient number, since it is larger than the sum of its proper divisors (48575507).

70004493 is a wasteful number, since it uses less digits than its factorization.

70004493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70004493 is about 8366.8687691394. The cubic root of 70004493 is about 412.1373473802.

The spelling of 70004493 in words is "seventy million, four thousand, four hundred ninety-three".

Divisors: 1 3 9 13 19 27 39 57 81 117 171 247 351 513 741 1053 1539 2223 3499 6669 10497 20007 31491 45487 66481 94473 136461 199443 283419 409383 598329 864253 1228149 1794987 2592759 3684447 5384961 7778277 23334831 70004493