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49243620 = 22351914297
BaseRepresentation
bin1011101111011…
…0010111100100
310102122211112210
42323312113210
5100101243440
64515243420
71135364256
oct273662744
9112584483
1049243620
1125884508
12145a9570
13a28204a
14677bcd6
1544caa80
hex2ef65e4

49243620 has 48 divisors (see below), whose sum is σ = 138636288. Its totient is φ = 13059840.

The previous prime is 49243613. The next prime is 49243627. The reversal of 49243620 is 2634294.

It is an interprime number because it is at equal distance from previous prime (49243613) and next prime (49243627).

It is a super-2 number, since 2×492436202 = 4849868221408800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (49243627) 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, 9312 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (2888256).

Almost surely, 249243620 is an apocalyptic number.

It is an amenable number.

49243620 is an abundant number, since it is smaller than the sum of its proper divisors (89392668).

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

49243620 is a wasteful number, since it uses less digits than its factorization.

49243620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 49243620 is about 7017.3798529081. The cubic root of 49243620 is about 366.5360177325.

The spelling of 49243620 in words is "forty-nine million, two hundred forty-three thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 191 382 573 764 955 1146 1910 2292 2865 3820 4297 5730 8594 11460 12891 17188 21485 25782 42970 51564 64455 85940 128910 257820 820727 1641454 2462181 3282908 4103635 4924362 8207270 9848724 12310905 16414540 24621810 49243620