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1379474541 = 32160995261
BaseRepresentation
bin101001000111001…
…0001110001101101
310120010201120022200
41102032101301231
510311121141131
6344514532113
746120224444
oct12216216155
93503646280
101379474541
1164874a705
12325b97039
1318ca43133
14d12cbd5b
158118d2e6
hex52391c6d

1379474541 has 12 divisors (see below), whose sum is σ = 1993833660. Its totient is φ = 919068480.

The previous prime is 1379474531. The next prime is 1379474563. The reversal of 1379474541 is 1454749731.

It is a happy number.

1379474541 is a `hidden beast` number, since 1 + 37 + 9 + 4 + 74 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 804913641 + 574560900 = 28371^2 + 23970^2 .

It is not a de Polignac number, because 1379474541 - 27 = 1379474413 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379474521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33150 + ... + 62111.

It is an arithmetic number, because the mean of its divisors is an integer number (166152805).

Almost surely, 21379474541 is an apocalyptic number.

It is an amenable number.

1379474541 is a deficient number, since it is larger than the sum of its proper divisors (614359119).

1379474541 is a wasteful number, since it uses less digits than its factorization.

1379474541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96876 (or 96873 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 1379474541 is about 37141.2781282497. The cubic root of 1379474541 is about 1113.1949561982.

The spelling of 1379474541 in words is "one billion, three hundred seventy-nine million, four hundred seventy-four thousand, five hundred forty-one".

Divisors: 1 3 9 1609 4827 14481 95261 285783 857349 153274949 459824847 1379474541