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49974240 = 2535104113
BaseRepresentation
bin1011111010100…
…0101111100000
310111000221202210
42332220233200
5100243133430
64543042120
71144526331
oct276505740
9114027683
1049974240
1126233428
12148a0340
13a479774
1468cc288
1545c22b0
hex2fa8be0

49974240 has 48 divisors (see below), whose sum is σ = 157420368. Its totient is φ = 13326336.

The previous prime is 49974233. The next prime is 49974269. The reversal of 49974240 is 4247994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51577 + ... + 52536.

It is an arithmetic number, because the mean of its divisors is an integer number (3279591).

Almost surely, 249974240 is an apocalyptic number.

49974240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49974240 is an abundant number, since it is smaller than the sum of its proper divisors (107446128).

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

49974240 is a wasteful number, since it uses less digits than its factorization.

49974240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104131 (or 104123 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 49974240 is about 7069.2460701266. The cubic root of 49974240 is about 368.3398718949.

The spelling of 49974240 in words is "forty-nine million, nine hundred seventy-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 104113 208226 312339 416452 520565 624678 832904 1041130 1249356 1561695 1665808 2082260 2498712 3123390 3331616 4164520 4997424 6246780 8329040 9994848 12493560 16658080 24987120 49974240