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49772328 = 23317432837
BaseRepresentation
bin1011110111011…
…1011100101000
310110122200210120
42331313130220
5100220203303
64534443240
71143025554
oct275673450
9113580716
1049772328
1126105761
1214803520
13a4088a8
146878864
154582553
hex2f77728

49772328 has 64 divisors (see below), whose sum is σ = 134861760. Its totient is φ = 15246336.

The previous prime is 49772309. The next prime is 49772339. The reversal of 49772328 is 82327794.

It is a self number, because there is not a number n which added to its sum of digits gives 49772328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16126 + ... + 18962.

It is an arithmetic number, because the mean of its divisors is an integer number (2107215).

Almost surely, 249772328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49772328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67430880).

49772328 is an abundant number, since it is smaller than the sum of its proper divisors (85089432).

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

49772328 is a wasteful number, since it uses less digits than its factorization.

49772328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906 (or 2902 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 49772328 is about 7054.9506022367. The cubic root of 49772328 is about 367.8431317862.

The spelling of 49772328 in words is "forty-nine million, seven hundred seventy-two thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 43 51 68 86 102 129 136 172 204 258 344 408 516 731 1032 1462 2193 2837 2924 4386 5674 5848 8511 8772 11348 17022 17544 22696 34044 48229 68088 96458 121991 144687 192916 243982 289374 365973 385832 487964 578748 731946 975928 1157496 1463892 2073847 2927784 4147694 6221541 8295388 12443082 16590776 24886164 49772328