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48780541 = 376121613
BaseRepresentation
bin1011101000010…
…1010011111101
310101210022022201
42322011103331
544441434131
64501311501
71131425215
oct272052375
9111708281
1048780541
11255985a7
1214405591
13a14c334
14669b245
154438761
hex2e854fd

48780541 has 8 divisors (see below), whose sum is σ = 50922584. Its totient is φ = 46681920.

The previous prime is 48780527. The next prime is 48780547. The reversal of 48780541 is 14508784.

It can be written as a sum of positive squares in 4 ways, for example, as 20115225 + 28665316 = 4485^2 + 5354^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48780541 - 25 = 48780509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48780541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48780547) 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, 8550 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (6365323).

Almost surely, 248780541 is an apocalyptic number.

It is an amenable number.

48780541 is a deficient number, since it is larger than the sum of its proper divisors (2142043).

48780541 is a wasteful number, since it uses less digits than its factorization.

48780541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21711.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 48780541 is about 6984.3067658859. The cubic root of 48780541 is about 365.3834489083.

The spelling of 48780541 in words is "forty-eight million, seven hundred eighty thousand, five hundred forty-one".

Divisors: 1 37 61 2257 21613 799681 1318393 48780541