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48921130 = 257168903
BaseRepresentation
bin1011101010011…
…1101000101010
310102001110011201
42322213220222
5100010434010
64504314414
71132552126
oct272475052
9112043151
1048921130
1125684195
1214472a0a
13a19b31b
1466d6586
15446523a
hex2ea7a2a

48921130 has 16 divisors (see below), whose sum is σ = 89299584. Its totient is φ = 19292560.

The previous prime is 48921109. The next prime is 48921133. The reversal of 48921130 is 3112984.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (48921133) 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, 33742 + ... + 35161.

It is an arithmetic number, because the mean of its divisors is an integer number (5581224).

Almost surely, 248921130 is an apocalyptic number.

48921130 is a deficient number, since it is larger than the sum of its proper divisors (40378454).

48921130 is a wasteful number, since it uses less digits than its factorization.

48921130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68981.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 48921130 is about 6994.3641598075. The cubic root of 48921130 is about 365.7341326161.

The spelling of 48921130 in words is "forty-eight million, nine hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 68903 137806 344515 689030 4892113 9784226 24460565 48921130