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48682881 = 32132379229
BaseRepresentation
bin1011100110110…
…1011110000001
310101121100100200
42321231132001
544430323011
64455235413
71130540412
oct271553601
9111540320
1048682881
1125531195
1214378b69
13a116a50
146673809
154419856
hex2e6d781

48682881 has 48 divisors (see below), whose sum is σ = 80371200. Its totient is φ = 28169856.

The previous prime is 48682877. The next prime is 48682891. The reversal of 48682881 is 18828684.

It is a happy number.

It is not a de Polignac number, because 48682881 - 22 = 48682877 is a prime.

It is a super-2 number, since 2×486828812 = 4740045804920322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48682811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212475 + ... + 212703.

It is an arithmetic number, because the mean of its divisors is an integer number (1674400).

Almost surely, 248682881 is an apocalyptic number.

It is an amenable number.

48682881 is a deficient number, since it is larger than the sum of its proper divisors (31688319).

48682881 is a wasteful number, since it uses less digits than its factorization.

48682881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 347 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The square root of 48682881 is about 6977.3118749272. The cubic root of 48682881 is about 365.1394500621.

The spelling of 48682881 in words is "forty-eight million, six hundred eighty-two thousand, eight hundred eighty-one".

Divisors: 1 3 9 13 23 39 69 79 117 207 229 237 299 687 711 897 1027 1817 2061 2691 2977 3081 5267 5451 8931 9243 15801 16353 18091 23621 26793 47403 54273 68471 70863 162819 205413 212589 235183 416093 616239 705549 1248279 2116647 3744837 5409209 16227627 48682881