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49289740 = 2252464487
BaseRepresentation
bin1011110000000…
…1101000001100
310102202011210221
42330001220030
5100104232430
64520241124
71135645603
oct274015014
9112664727
1049289740
1125906125
12146101a4
13a29a036
146790a3a
1544d957a
hex2f01a0c

49289740 has 12 divisors (see below), whose sum is σ = 103508496. Its totient is φ = 19715888.

The previous prime is 49289719. The next prime is 49289741. The reversal of 49289740 is 4798294.

It is not an unprimeable number, because it can be changed into a prime (49289741) 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, 1232224 + ... + 1232263.

It is an arithmetic number, because the mean of its divisors is an integer number (8625708).

Almost surely, 249289740 is an apocalyptic number.

It is an amenable number.

49289740 is an abundant number, since it is smaller than the sum of its proper divisors (54218756).

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

49289740 is a wasteful number, since it uses less digits than its factorization.

49289740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464496 (or 2464494 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 49289740 is about 7020.6652106478. The cubic root of 49289740 is about 366.6504106659.

The spelling of 49289740 in words is "forty-nine million, two hundred eighty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2464487 4928974 9857948 12322435 24644870 49289740