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233240940 = 223251295783
BaseRepresentation
bin11011110011011…
…11100101101100
3121020212212102100
431321233211230
5434202202230
635051055100
75531341512
oct1571574554
9536785370
10233240940
1110a727409
1266141490
13394254ba
1422d964b2
1515723660
hexde6f96c

233240940 has 36 divisors (see below), whose sum is σ = 707498064. Its totient is φ = 62197536.

The previous prime is 233240921. The next prime is 233240971. The reversal of 233240940 is 49042332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647712 + ... + 648071.

It is an arithmetic number, because the mean of its divisors is an integer number (19652724).

Almost surely, 2233240940 is an apocalyptic number.

233240940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233240940 is an abundant number, since it is smaller than the sum of its proper divisors (474257124).

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

233240940 is a wasteful number, since it uses less digits than its factorization.

233240940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295798 (or 1295793 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 233240940 is about 15272.2277353371. The cubic root of 233240940 is about 615.5569810358.

The spelling of 233240940 in words is "two hundred thirty-three million, two hundred forty thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1295783 2591566 3887349 5183132 6478915 7774698 11662047 12957830 15549396 19436745 23324094 25915660 38873490 46648188 58310235 77746980 116620470 233240940