Search a number
-
+
399014772 = 223134754421
BaseRepresentation
bin10111110010000…
…111101101110100
31000210211001100220
4113302013231310
51304121433042
6103332134340
712613366242
oct2762075564
91023731326
10399014772
11195262782
12b17673b0
1364888020
143adc9792
152506b8ec
hex17c87b74

399014772 has 48 divisors (see below), whose sum is σ = 1024004352. Its totient is φ = 120159360.

The previous prime is 399014761. The next prime is 399014773. The reversal of 399014772 is 277410993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399014773) 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 15 ways as a sum of consecutive naturals, for example, 19879 + ... + 34542.

It is an arithmetic number, because the mean of its divisors is an integer number (21333424).

Almost surely, 2399014772 is an apocalyptic number.

It is an amenable number.

399014772 is an abundant number, since it is smaller than the sum of its proper divisors (624989580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399014772 is a wasteful number, since it uses less digits than its factorization.

399014772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54488 (or 54486 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 399014772 is about 19975.3541145082. The cubic root of 399014772 is about 736.2008672172.

The spelling of 399014772 in words is "three hundred ninety-nine million, fourteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 47 52 78 94 141 156 188 282 564 611 1222 1833 2444 3666 7332 54421 108842 163263 217684 326526 653052 707473 1414946 2122419 2557787 2829892 4244838 5115574 7673361 8489676 10231148 15346722 30693444 33251231 66502462 99753693 133004924 199507386 399014772