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235452090 = 23537434933
BaseRepresentation
bin11100000100010…
…11011010111010
3121102001012112210
432002023122322
5440233431330
635210315550
75556211146
oct1602133272
9542035483
10235452090
111109a7705
1266a28bb6
1339a1aa83
14233b0226
1515a0d8b0
hexe08b6ba

235452090 has 64 divisors (see below), whose sum is σ = 593974656. Its totient is φ = 59657472.

The previous prime is 235452089. The next prime is 235452101. The reversal of 235452090 is 90254532.

235452090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45264 + ... + 50196.

It is an arithmetic number, because the mean of its divisors is an integer number (9280854).

Almost surely, 2235452090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235452090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296987328).

235452090 is an abundant number, since it is smaller than the sum of its proper divisors (358522566).

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

235452090 is a wasteful number, since it uses less digits than its factorization.

235452090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 235452090 is about 15344.4481816714. The cubic root of 235452090 is about 617.4960491915.

The spelling of 235452090 in words is "two hundred thirty-five million, four hundred fifty-two thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 37 43 74 86 111 129 185 215 222 258 370 430 555 645 1110 1290 1591 3182 4773 4933 7955 9546 9866 14799 15910 23865 24665 29598 47730 49330 73995 147990 182521 212119 365042 424238 547563 636357 912605 1060595 1095126 1272714 1825210 2121190 2737815 3181785 5475630 6363570 7848403 15696806 23545209 39242015 47090418 78484030 117726045 235452090