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48721401 = 325413489
BaseRepresentation
bin1011100111011…
…0110111111001
310101200022012100
42321312313321
544433041101
64500134013
71131060621
oct271666771
9111608170
1048721401
1125558123
1214397309
13a12b441
146683881
154425e86
hex2e76df9

48721401 has 6 divisors (see below), whose sum is σ = 70375370. Its totient is φ = 32480928.

The previous prime is 48721397. The next prime is 48721411. The reversal of 48721401 is 10412784.

It can be written as a sum of positive squares in only one way, i.e., 33698025 + 15023376 = 5805^2 + 3876^2 .

It is not a de Polignac number, because 48721401 - 22 = 48721397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48721411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2706736 + ... + 2706753.

Almost surely, 248721401 is an apocalyptic number.

It is an amenable number.

48721401 is a deficient number, since it is larger than the sum of its proper divisors (21653969).

48721401 is a wasteful number, since it uses less digits than its factorization.

48721401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413495 (or 5413492 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 48721401 is about 6980.0717045028. The cubic root of 48721401 is about 365.2357293790.

The spelling of 48721401 in words is "forty-eight million, seven hundred twenty-one thousand, four hundred one".

Divisors: 1 3 9 5413489 16240467 48721401