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235142072 = 231116011669
BaseRepresentation
bin11100000001111…
…11101110111000
3121101110110021122
432000333232320
5440144021242
635155524412
75553450254
oct1600775670
9541413248
10235142072
111108057a0
12668b9708
133993c929
142332d264
151599bad2
hexe03fbb8

235142072 has 32 divisors (see below), whose sum is σ = 481561200. Its totient is φ = 106752000.

The previous prime is 235142059. The next prime is 235142077. The reversal of 235142072 is 270241532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235142077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140054 + ... + 141722.

Almost surely, 2235142072 is an apocalyptic number.

235142072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

235142072 is an abundant number, since it is smaller than the sum of its proper divisors (246419128).

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

235142072 is a wasteful number, since it uses less digits than its factorization.

235142072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 235142072 is about 15334.3428943010. The cubic root of 235142072 is about 617.2249126842.

The spelling of 235142072 in words is "two hundred thirty-five million, one hundred forty-two thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 1601 1669 3202 3338 6404 6676 12808 13352 17611 18359 35222 36718 70444 73436 140888 146872 2672069 5344138 10688276 21376552 29392759 58785518 117571036 235142072