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49956442 = 21031971231
BaseRepresentation
bin1011111010010…
…0011001011010
310111000001100121
42332210121122
5100242101232
64542423454
71144423414
oct276443132
9114001317
1049956442
1126221018
1214891b8a
13a471633
1468c59b4
1545bbd97
hex2fa465a

49956442 has 16 divisors (see below), whose sum is σ = 76108032. Its totient is φ = 24590160.

The previous prime is 49956433. The next prime is 49956449. The reversal of 49956442 is 24465994.

It is not an unprimeable number, because it can be changed into a prime (49956449) 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, 39967 + ... + 41197.

It is an arithmetic number, because the mean of its divisors is an integer number (4756752).

Almost surely, 249956442 is an apocalyptic number.

49956442 is a deficient number, since it is larger than the sum of its proper divisors (26151590).

49956442 is a wasteful number, since it uses less digits than its factorization.

49956442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its digits is 311040, while the sum is 43.

The square root of 49956442 is about 7067.9871250590. The cubic root of 49956442 is about 368.2961394209.

The spelling of 49956442 in words is "forty-nine million, nine hundred fifty-six thousand, four hundred forty-two".

Divisors: 1 2 103 197 206 394 1231 2462 20291 40582 126793 242507 253586 485014 24978221 49956442