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51190248 = 2333835569
BaseRepresentation
bin1100001101000…
…1100111101000
310120022201211010
43003101213220
5101101041443
65025103520
71161052464
oct303214750
9116281733
1051190248
1126993a9a
1215187ba0
13a7b40b5
146b274a4
154762733
hex30d19e8

51190248 has 32 divisors (see below), whose sum is σ = 128332800. Its totient is φ = 17015808.

The previous prime is 51190231. The next prime is 51190267. The reversal of 51190248 is 84209115.

It is a happy 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, 6408 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (4010400).

Almost surely, 251190248 is an apocalyptic number.

It is an amenable number.

51190248 is an abundant number, since it is smaller than the sum of its proper divisors (77142552).

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

51190248 is a wasteful number, since it uses less digits than its factorization.

51190248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 5957 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 51190248 is about 7154.7360538318. The cubic root of 51190248 is about 371.3035297888.

The spelling of 51190248 in words is "fifty-one million, one hundred ninety thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 383 766 1149 1532 2298 3064 4596 5569 9192 11138 16707 22276 33414 44552 66828 133656 2132927 4265854 6398781 8531708 12797562 17063416 25595124 51190248