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48313120 = 255378161
BaseRepresentation
bin1011100001001…
…1001100100000
310100220120010211
42320103030200
544332004440
64443303504
71124440402
oct270231440
9110816124
1048313120
11252a93a9
121421ab94
13a01765b
1465b8b72
154394eea
hex2e13320

48313120 has 48 divisors (see below), whose sum is σ = 117238968. Its totient is φ = 18800640.

The previous prime is 48313103. The next prime is 48313121. The reversal of 48313120 is 2131384.

It can be written as a sum of positive squares in 4 ways, for example, as 44036496 + 4276624 = 6636^2 + 2068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48313091 and 48313100.

It is not an unprimeable number, because it can be changed into a prime (48313121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840 + ... + 10000.

Almost surely, 248313120 is an apocalyptic number.

48313120 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 48313120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58619484).

48313120 is an abundant number, since it is smaller than the sum of its proper divisors (68925848).

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

48313120 is a wasteful number, since it uses less digits than its factorization.

48313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 48313120 is about 6950.7639867859. The cubic root of 48313120 is about 364.2126519774.

The spelling of 48313120 in words is "forty-eight million, three hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 37 40 74 80 148 160 185 296 370 592 740 1184 1480 2960 5920 8161 16322 32644 40805 65288 81610 130576 163220 261152 301957 326440 603914 652880 1207828 1305760 1509785 2415656 3019570 4831312 6039140 9662624 12078280 24156560 48313120