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48213701 = 371303073
BaseRepresentation
bin1011011111101…
…0111011000101
310100201111202122
42313322323011
544320314301
64441215325
71123544504
oct267727305
9110644678
1048213701
1125240738
1214191545
139cb1323
14659083b
15437581b
hex2dfaec5

48213701 has 4 divisors (see below), whose sum is σ = 49516812. Its totient is φ = 46910592.

The previous prime is 48213691. The next prime is 48213713. The reversal of 48213701 is 10731284.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24700900 + 23512801 = 4970^2 + 4849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48213701 is a prime.

It is a super-3 number, since 3×482137013 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48213721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651500 + ... + 651573.

It is an arithmetic number, because the mean of its divisors is an integer number (12379203).

Almost surely, 248213701 is an apocalyptic number.

It is an amenable number.

48213701 is a deficient number, since it is larger than the sum of its proper divisors (1303111).

48213701 is a wasteful number, since it uses less digits than its factorization.

48213701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303110.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 48213701 is about 6943.6086439257. The cubic root of 48213701 is about 363.9626541607.

Adding to 48213701 its reverse (10731284), we get a palindrome (58944985).

The spelling of 48213701 in words is "forty-eight million, two hundred thirteen thousand, seven hundred one".

Divisors: 1 37 1303073 48213701