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72853948 = 22471812141
BaseRepresentation
bin1000101011110…
…10100110111100
312002002100211101
410111322212330
5122122311243
611121302444
71543151116
oct425724674
9162070741
1072853948
1138140282
1220494a24
131212a85b
1499663b6
1565e154d
hex457a9bc

72853948 has 24 divisors (see below), whose sum is σ = 130987584. Its totient is φ = 35438400.

The previous prime is 72853939. The next prime is 72853951. The reversal of 72853948 is 84935827.

It is a junction number, because it is equal to n+sod(n) for n = 72853898 and 72853907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32958 + ... + 35098.

It is an arithmetic number, because the mean of its divisors is an integer number (5457816).

Almost surely, 272853948 is an apocalyptic number.

It is an amenable number.

72853948 is a deficient number, since it is larger than the sum of its proper divisors (58133636).

72853948 is a wasteful number, since it uses less digits than its factorization.

72853948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373 (or 2371 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 72853948 is about 8535.4524191750. The cubic root of 72853948 is about 417.6550117019.

The spelling of 72853948 in words is "seventy-two million, eight hundred fifty-three thousand, nine hundred forty-eight".

Divisors: 1 2 4 47 94 181 188 362 724 2141 4282 8507 8564 17014 34028 100627 201254 387521 402508 775042 1550084 18213487 36426974 72853948