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47052240 = 2435196051
BaseRepresentation
bin1011001101111…
…1010111010000
310021112111112120
42303133113100
544021132430
64400254240
71110636354
oct263372720
9107474476
1047052240
1124618054
1213911380
139995781
14636b464
1541e6610
hex2cdf5d0

47052240 has 40 divisors (see below), whose sum is σ = 145862688. Its totient is φ = 12547200.

The previous prime is 47052211. The next prime is 47052251. The reversal of 47052240 is 4225074.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 47052240.

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, 97786 + ... + 98265.

Almost surely, 247052240 is an apocalyptic number.

47052240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47052240 is an abundant number, since it is smaller than the sum of its proper divisors (98810448).

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

47052240 is a wasteful number, since it uses less digits than its factorization.

47052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196067 (or 196061 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 47052240 is about 6859.4635358751. The cubic root of 47052240 is about 361.0162642335.

The spelling of 47052240 in words is "forty-seven million, fifty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 196051 392102 588153 784204 980255 1176306 1568408 1960510 2352612 2940765 3136816 3921020 4705224 5881530 7842040 9410448 11763060 15684080 23526120 47052240