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53878914 = 23243151461
BaseRepresentation
bin1100110110001…
…0000010000010
310202101022222100
43031202002002
5102243111124
65202451230
71222651245
oct315420202
9122338870
1053878914
1128460031
1216063b16
13b215b1b
14722725c
154ae41c9
hex3362082

53878914 has 48 divisors (see below), whose sum is σ = 120504384. Its totient is φ = 17388000.

The previous prime is 53878901. The next prime is 53878931. The reversal of 53878914 is 41987835.

It is a self number, because there is not a number n which added to its sum of digits gives 53878914.

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, 116644 + ... + 117104.

It is an arithmetic number, because the mean of its divisors is an integer number (2510508).

Almost surely, 253878914 is an apocalyptic number.

53878914 is an abundant number, since it is smaller than the sum of its proper divisors (66625470).

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

53878914 is a wasteful number, since it uses less digits than its factorization.

53878914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 53878914 is about 7340.2257458473. The cubic root of 53878914 is about 377.6935872430.

The spelling of 53878914 in words is "fifty-three million, eight hundred seventy-eight thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 43 86 129 151 258 302 387 453 461 774 906 922 1359 1383 2718 2766 4149 6493 8298 12986 19479 19823 38958 39646 58437 59469 69611 116874 118938 139222 178407 208833 356814 417666 626499 1252998 2993273 5986546 8979819 17959638 26939457 53878914