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234153020 = 22537316423
BaseRepresentation
bin11011111010011…
…10010000111100
3121022121012120002
431331032100330
5434420344040
635122413432
75542160603
oct1575162074
9538535502
10234153020
1111019a6a2
1266501278
13396846aa
1423152a3a
1515853a15
hexdf4e43c

234153020 has 24 divisors (see below), whose sum is σ = 505012704. Its totient is φ = 91129536.

The previous prime is 234152999. The next prime is 234153071. The reversal of 234153020 is 20351432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 234152983 and 234153001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157472 + ... + 158951.

It is an arithmetic number, because the mean of its divisors is an integer number (21042196).

Almost surely, 2234153020 is an apocalyptic number.

234153020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234153020 is an abundant number, since it is smaller than the sum of its proper divisors (270859684).

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

234153020 is a wasteful number, since it uses less digits than its factorization.

234153020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316469 (or 316467 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 234153020 is about 15302.0593385335. The cubic root of 234153020 is about 616.3583082965.

The spelling of 234153020 in words is "two hundred thirty-four million, one hundred fifty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 316423 632846 1265692 1582115 3164230 6328460 11707651 23415302 46830604 58538255 117076510 234153020