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28883496 = 2331997653
BaseRepresentation
bin110111000101…
…1101000101000
32000100102201010
41232023220220
524343232441
62511023520
7500335305
oct156135050
960312633
1028883496
1115338664
12980aba0
135ca3a35
143b9c0ac
152808116
hex1b8ba28

28883496 has 64 divisors (see below), whose sum is σ = 76910400. Its totient is φ = 9013248.

The previous prime is 28883479. The next prime is 28883513. The reversal of 28883496 is 69438882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28883479) and next prime (28883513).

It is a congruent number.

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, 43906 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (1201725).

Almost surely, 228883496 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 28883496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38455200).

28883496 is an abundant number, since it is smaller than the sum of its proper divisors (48026904).

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

28883496 is a wasteful number, since it uses less digits than its factorization.

28883496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 774 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 28883496 is about 5374.3367962940. The cubic root of 28883496 is about 306.8197083211.

The spelling of 28883496 in words is "twenty-eight million, eight hundred eighty-three thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 97 114 152 194 228 291 388 456 582 653 776 1164 1306 1843 1959 2328 2612 3686 3918 5224 5529 7372 7836 11058 12407 14744 15672 22116 24814 37221 44232 49628 63341 74442 99256 126682 148884 190023 253364 297768 380046 506728 760092 1203479 1520184 2406958 3610437 4813916 7220874 9627832 14441748 28883496