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49941440 = 265239653
BaseRepresentation
bin1011111010000…
…0101111000000
310110222021202222
42332200233000
5100241111230
64542230212
71144331603
oct276405700
9113867688
1049941440
112621081a
1214885368
13a467863
1468c033a
1545b76e5
hex2fa0bc0

49941440 has 56 divisors (see below), whose sum is σ = 119603520. Its totient is φ = 19862528.

The previous prime is 49941439. The next prime is 49941457. The reversal of 49941440 is 4414994.

49941440 = T391 + T392 + ... + T710.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 49941440.

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, 76154 + ... + 76806.

Almost surely, 249941440 is an apocalyptic number.

49941440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49941440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59801760).

49941440 is an abundant number, since it is smaller than the sum of its proper divisors (69662080).

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

49941440 is a wasteful number, since it uses less digits than its factorization.

49941440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 49941440 is about 7066.9257814130. The cubic root of 49941440 is about 368.2592690886.

The spelling of 49941440 in words is "forty-nine million, nine hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 239 320 478 653 956 1195 1306 1912 2390 2612 3265 3824 4780 5224 6530 7648 9560 10448 13060 15296 19120 20896 26120 38240 41792 52240 76480 104480 156067 208960 312134 624268 780335 1248536 1560670 2497072 3121340 4994144 6242680 9988288 12485360 24970720 49941440