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234151420 = 22513738527
BaseRepresentation
bin11011111010011…
…01110111111100
3121022121010100211
431331031313330
5434420321140
635122402204
75542153126
oct1575156774
9538533324
10234151420
11110199478
1266500364
1339683a49
1423152216
15158532ea
hexdf4ddfc

234151420 has 24 divisors (see below), whose sum is σ = 492133824. Its totient is φ = 93581376.

The previous prime is 234151409. The next prime is 234151439. The reversal of 234151420 is 24151432.

It is a junction number, because it is equal to n+sod(n) for n = 234151391 and 234151400.

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, 23197 + ... + 31723.

It is an arithmetic number, because the mean of its divisors is an integer number (20505576).

Almost surely, 2234151420 is an apocalyptic number.

234151420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234151420 is an abundant number, since it is smaller than the sum of its proper divisors (257982404).

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

234151420 is a wasteful number, since it uses less digits than its factorization.

234151420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909 (or 9907 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 234151420 is about 15302.0070578993. The cubic root of 234151420 is about 616.3569044060.

The spelling of 234151420 in words is "two hundred thirty-four million, one hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1373 2746 5492 6865 8527 13730 17054 27460 34108 42635 85270 170540 11707571 23415142 46830284 58537855 117075710 234151420