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48278740 = 22513118427
BaseRepresentation
bin1011100000101…
…0110011010100
310100211210222111
42320022303110
544324404430
64442440404
71124235226
oct270126324
9110753874
1048278740
1125285594
1214203104
13a004b03
1465aa416
154389c2a
hex2e0acd4

48278740 has 24 divisors (see below), whose sum is σ = 102164832. Its totient is φ = 19163040.

The previous prime is 48278719. The next prime is 48278761. The reversal of 48278740 is 4787284.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (48278719) and next prime (48278761).

It is a junction number, because it is equal to n+sod(n) for n = 48278693 and 48278702.

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, 6594 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (4256868).

Almost surely, 248278740 is an apocalyptic number.

It is an amenable number.

48278740 is an abundant number, since it is smaller than the sum of its proper divisors (53886092).

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

48278740 is a wasteful number, since it uses less digits than its factorization.

48278740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18567 (or 18565 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 48278740 is about 6948.2904372227. The cubic root of 48278740 is about 364.1262392713.

The spelling of 48278740 in words is "forty-eight million, two hundred seventy-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 18427 36854 73708 92135 184270 368540 2413937 4827874 9655748 12069685 24139370 48278740