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49378172 = 2212344543
BaseRepresentation
bin1011110001011…
…1001101111100
310102220200010012
42330113031330
5100120100142
64522202352
71136464454
oct274271574
9112820105
1049378172
1125966608
12146533b8
13a2cb36c
1467b4d64
154505882
hex2f1737c

49378172 has 6 divisors (see below), whose sum is σ = 86411808. Its totient is φ = 24689084.

The previous prime is 49378159. The next prime is 49378201. The reversal of 49378172 is 27187394.

It is a super-3 number, since 3×493781723 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172268 + ... + 6172275.

It is an arithmetic number, because the mean of its divisors is an integer number (14401968).

Almost surely, 249378172 is an apocalyptic number.

It is an amenable number.

49378172 is a deficient number, since it is larger than the sum of its proper divisors (37033636).

49378172 is a wasteful number, since it uses less digits than its factorization.

49378172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12344547 (or 12344545 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 49378172 is about 7026.9603670435. The cubic root of 49378172 is about 366.8695519972.

The spelling of 49378172 in words is "forty-nine million, three hundred seventy-eight thousand, one hundred seventy-two".

Divisors: 1 2 4 12344543 24689086 49378172