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48890490 = 23511148153
BaseRepresentation
bin1011101010000…
…0001001111010
310101222220010220
42322200021322
5100003443430
64503520510
71132363605
oct272401172
9111886126
1048890490
1125663170
1214459136
13a18a3ac
1466c933c
15445b110
hex2ea027a

48890490 has 32 divisors (see below), whose sum is σ = 128005056. Its totient is φ = 11852160.

The previous prime is 48890489. The next prime is 48890497. The reversal of 48890490 is 9409884.

It is not an unprimeable number, because it can be changed into a prime (48890497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73747 + ... + 74406.

It is an arithmetic number, because the mean of its divisors is an integer number (4000158).

Almost surely, 248890490 is an apocalyptic number.

48890490 is an abundant number, since it is smaller than the sum of its proper divisors (79114566).

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

48890490 is a wasteful number, since it uses less digits than its factorization.

48890490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148174.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 48890490 is about 6992.1734818295. The cubic root of 48890490 is about 365.6577618389.

The spelling of 48890490 in words is "forty-eight million, eight hundred ninety thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 148153 296306 444459 740765 888918 1481530 1629683 2222295 3259366 4444590 4889049 8148415 9778098 16296830 24445245 48890490