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53250470 = 25713163359
BaseRepresentation
bin1100101100100…
…0100110100110
310201012101220122
43023020212212
5102113003340
65141201542
71214423120
oct313104646
9121171818
1053250470
1128070959
1215a002b2
13b055a70
147102210
154a1cdb5
hex32c89a6

53250470 has 64 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 16702848.

The previous prime is 53250427. The next prime is 53250487. The reversal of 53250470 is 7405235.

It is a super-2 number, since 2×532504702 = 5671225110441800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 148151 + ... + 148509.

It is an arithmetic number, because the mean of its divisors is an integer number (1859760).

Almost surely, 253250470 is an apocalyptic number.

53250470 is an abundant number, since it is smaller than the sum of its proper divisors (65774170).

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

53250470 is a wasteful number, since it uses less digits than its factorization.

53250470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53250470 is about 7297.2919634615. The cubic root of 53250470 is about 376.2193670494.

The spelling of 53250470 in words is "fifty-three million, two hundred fifty thousand, four hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 163 182 326 359 455 718 815 910 1141 1630 1795 2119 2282 2513 3590 4238 4667 5026 5705 9334 10595 11410 12565 14833 21190 23335 25130 29666 32669 46670 58517 65338 74165 117034 148330 163345 292585 326690 409619 585170 760721 819238 1521442 2048095 3803605 4096190 5325047 7607210 10650094 26625235 53250470