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50992240 = 2451349031
BaseRepresentation
bin1100001010000…
…1010001110000
310112221200012111
43002201101300
5101023222430
65020535104
71156266265
oct302412160
9115850174
1050992240
1126869252
12150b1494
13a744c30
146ab526c
154723c2a
hex30a1470

50992240 has 40 divisors (see below), whose sum is σ = 127679328. Its totient is φ = 18827520.

The previous prime is 50992223. The next prime is 50992261. The reversal of 50992240 is 4229905.

It is a tau number, because it is divible by the number of its divisors (40).

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, 23476 + ... + 25555.

Almost surely, 250992240 is an apocalyptic number.

It is an amenable number.

50992240 is an abundant number, since it is smaller than the sum of its proper divisors (76687088).

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

50992240 is a wasteful number, since it uses less digits than its factorization.

50992240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49057 (or 49051 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 50992240 is about 7140.8850992016. The cubic root of 50992240 is about 370.8241672046.

The spelling of 50992240 in words is "fifty million, nine hundred ninety-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 49031 98062 196124 245155 392248 490310 637403 784496 980620 1274806 1961240 2549612 3187015 3922480 5099224 6374030 10198448 12748060 25496120 50992240