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49140918 = 235101113
BaseRepresentation
bin1011101101110…
…1010010110110
310102110121200000
42323131102312
5100040002133
64513132130
71134455661
oct273352266
9112417600
1049140918
1125814332
121455a046
13a247388
1467526d8
1544aa413
hex2edd4b6

49140918 has 24 divisors (see below), whose sum is σ = 110416488. Its totient is φ = 16380144.

The previous prime is 49140913. The next prime is 49140937. The reversal of 49140918 is 81904194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49140913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50071 + ... + 51042.

It is an arithmetic number, because the mean of its divisors is an integer number (4600687).

Almost surely, 249140918 is an apocalyptic number.

49140918 is an abundant number, since it is smaller than the sum of its proper divisors (61275570).

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

49140918 is a wasteful number, since it uses less digits than its factorization.

49140918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101130 (or 101118 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 49140918 is about 7010.0583449783. The cubic root of 49140918 is about 366.2810257665.

The spelling of 49140918 in words is "forty-nine million, one hundred forty thousand, nine hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 101113 202226 303339 606678 910017 1820034 2730051 5460102 8190153 16380306 24570459 49140918