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755006138 = 21546724407
BaseRepresentation
bin101101000000000…
…111101010111010
31221121200021201022
4231000013222322
53021240144023
6202530222442
724465306035
oct5500075272
91847607638
10755006138
113581aa317
12190a24a22
13c055b2c3
14723b601c
154643a7c8
hex2d007aba

755006138 has 8 divisors (see below), whose sum is σ = 1132628832. Its totient is φ = 377463196.

The previous prime is 755006129. The next prime is 755006141. The reversal of 755006138 is 831600557.

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

It is a junction number, because it is equal to n+sod(n) for n = 755006098 and 755006107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18731 + ... + 43137.

It is an arithmetic number, because the mean of its divisors is an integer number (141578604).

Almost surely, 2755006138 is an apocalyptic number.

755006138 is a deficient number, since it is larger than the sum of its proper divisors (377622694).

755006138 is a wasteful number, since it uses less digits than its factorization.

755006138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39876.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 755006138 is about 27477.3750201871. The cubic root of 755006138 is about 910.5773167143.

The spelling of 755006138 in words is "seven hundred fifty-five million, six thousand, one hundred thirty-eight".

Divisors: 1 2 15467 24407 30934 48814 377503069 755006138