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61424375 = 54234273
BaseRepresentation
bin1110101001010…
…0001011110111
311021120200101212
43222110023313
5111211040000
610032312035
71344045545
oct352241367
9137520355
1061424375
1131744051
12186a261b
13c9583ac
14822cd95
1555d4c35
hex3a942f7

61424375 has 20 divisors (see below), whose sum is σ = 80111856. Its totient is φ = 46992000.

The previous prime is 61424371. The next prime is 61424411. The reversal of 61424375 is 57342416.

It is not a de Polignac number, because 61424375 - 22 = 61424371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61424371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12239 + ... + 16511.

Almost surely, 261424375 is an apocalyptic number.

61424375 is a deficient number, since it is larger than the sum of its proper divisors (18687481).

61424375 is an equidigital number, since it uses as much as digits as its factorization.

61424375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4301 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 61424375 is about 7837.3704136017. The cubic root of 61424375 is about 394.5604789148.

The spelling of 61424375 in words is "sixty-one million, four hundred twenty-four thousand, three hundred seventy-five".

Divisors: 1 5 23 25 115 125 575 625 2875 4273 14375 21365 98279 106825 491395 534125 2456975 2670625 12284875 61424375