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235090980 = 223253142131
BaseRepresentation
bin11100000001100…
…11010000100100
3121101100212012100
432000303100210
5440140402410
635154452100
75553145305
oct1600632044
9541325170
10235090980
11110780373
1266894030
13399225b7
14233187ac
151598b8c0
hexe033424

235090980 has 72 divisors (see below), whose sum is σ = 736130304. Its totient is φ = 60667200.

The previous prime is 235090969. The next prime is 235090991. The reversal of 235090980 is 89090532.

It is an interprime number because it is at equal distance from previous prime (235090969) and next prime (235090991).

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 23 ways as a sum of consecutive naturals, for example, 15486 + ... + 26645.

It is an arithmetic number, because the mean of its divisors is an integer number (10224032).

Almost surely, 2235090980 is an apocalyptic number.

235090980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235090980 is an abundant number, since it is smaller than the sum of its proper divisors (501039324).

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

235090980 is a wasteful number, since it uses less digits than its factorization.

235090980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42177 (or 42172 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 235090980 is about 15332.6768700054. The cubic root of 235090980 is about 617.1802056137.

The spelling of 235090980 in words is "two hundred thirty-five million, ninety thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 42131 84262 126393 168524 210655 252786 379179 421310 505572 631965 758358 842620 1263930 1306061 1516716 1895895 2527860 2612122 3791790 3918183 5224244 6530305 7583580 7836366 11754549 13060610 15672732 19590915 23509098 26121220 39181830 47018196 58772745 78363660 117545490 235090980