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385310044 = 22719724267
BaseRepresentation
bin10110111101110…
…101110101011100
3222212000210000101
4112331311311130
51242114410134
6102122310444
712356036620
oct2675656534
9885023011
10385310044
11188552159
12a9058424
1361a9a112
143925d180
1523c60e14
hex16f75d5c

385310044 has 24 divisors (see below), whose sum is σ = 811180160. Its totient is φ = 156441456.

The previous prime is 385310039. The next prime is 385310071. The reversal of 385310044 is 440013583.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 385309994 and 385310021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361602 + ... + 362665.

Almost surely, 2385310044 is an apocalyptic number.

It is an amenable number.

385310044 is an abundant number, since it is smaller than the sum of its proper divisors (425870116).

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

385310044 is a wasteful number, since it uses less digits than its factorization.

385310044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724297 (or 724295 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 385310044 is about 19629.3159330630. The cubic root of 385310044 is about 727.6738642012.

The spelling of 385310044 in words is "three hundred eighty-five million, three hundred ten thousand, forty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 724267 1448534 2897068 5069869 10139738 13761073 20279476 27522146 55044292 96327511 192655022 385310044