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742124808 = 233323149381
BaseRepresentation
bin101100001110111…
…110110100001000
31220201102211212000
4230032332310020
53004440443213
6201350151000
724250646115
oct5416766410
91821384760
10742124808
11350a01397
12188652460
13ba99b109
14707c190c
1545243c73
hex2c3bed08

742124808 has 64 divisors (see below), whose sum is σ = 2151100800. Its totient is φ = 236617920.

The previous prime is 742124791. The next prime is 742124821. The reversal of 742124808 is 808421247.

742124808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69723 + ... + 79658.

It is an arithmetic number, because the mean of its divisors is an integer number (33610950).

Almost surely, 2742124808 is an apocalyptic number.

It is an amenable number.

742124808 is an abundant number, since it is smaller than the sum of its proper divisors (1408975992).

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

742124808 is a wasteful number, since it uses less digits than its factorization.

742124808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149419 (or 149409 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 742124808 is about 27241.9677703355. The cubic root of 742124808 is about 905.3690620548.

The spelling of 742124808 in words is "seven hundred forty-two million, one hundred twenty-four thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 92 108 138 184 207 216 276 414 552 621 828 1242 1656 2484 4968 149381 298762 448143 597524 896286 1195048 1344429 1792572 2688858 3435763 3585144 4033287 5377716 6871526 8066574 10307289 10755432 13743052 16133148 20614578 27486104 30921867 32266296 41229156 61843734 82458312 92765601 123687468 185531202 247374936 371062404 742124808