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48212290 = 257688747
BaseRepresentation
bin1011011111101…
…0100101000010
310100201102211101
42313322211002
544320243130
64441205014
71123540420
oct267724502
9110642741
1048212290
112523a675
121419076a
139cb07a9
146590110
1543751ca
hex2dfa942

48212290 has 16 divisors (see below), whose sum is σ = 99179712. Its totient is φ = 16529904.

The previous prime is 48212267. The next prime is 48212299. The reversal of 48212290 is 9221284.

It is not an unprimeable number, because it can be changed into a prime (48212299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344304 + ... + 344443.

It is an arithmetic number, because the mean of its divisors is an integer number (6198732).

Almost surely, 248212290 is an apocalyptic number.

48212290 is an abundant number, since it is smaller than the sum of its proper divisors (50967422).

48212290 is a wasteful number, since it uses less digits than its factorization.

48212290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688761.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 48212290 is about 6943.5070389537. The cubic root of 48212290 is about 363.9591036048.

The spelling of 48212290 in words is "forty-eight million, two hundred twelve thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 688747 1377494 3443735 4821229 6887470 9642458 24106145 48212290