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49629820 = 2252481491
BaseRepresentation
bin1011110101010…
…0101001111100
310110101110022111
42331110221330
5100201123240
64531423404
71141563232
oct275245174
9113343274
1049629820
1126018689
1214754b64
13a388a76
14683c952
1545551ea
hex2f54a7c

49629820 has 12 divisors (see below), whose sum is σ = 104222664. Its totient is φ = 19851920.

The previous prime is 49629799. The next prime is 49629823. The reversal of 49629820 is 2892694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49629823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240726 + ... + 1240765.

It is an arithmetic number, because the mean of its divisors is an integer number (8685222).

Almost surely, 249629820 is an apocalyptic number.

It is an amenable number.

49629820 is an abundant number, since it is smaller than the sum of its proper divisors (54592844).

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

49629820 is a wasteful number, since it uses less digits than its factorization.

49629820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481500 (or 2481498 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 49629820 is about 7044.8435042945. The cubic root of 49629820 is about 367.4917270262.

The spelling of 49629820 in words is "forty-nine million, six hundred twenty-nine thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2481491 4962982 9925964 12407455 24814910 49629820