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61423167 = 3131574953
BaseRepresentation
bin1110101001001…
…1111000111111
311021120121202010
43222103320333
5111211020132
610032302303
71344042201
oct352237077
9137517663
1061423167
1131743153
12186a1993
13c957990
14822c771
1555d46cc
hex3a93e3f

61423167 has 8 divisors (see below), whose sum is σ = 88197424. Its totient is φ = 37798848.

The previous prime is 61423163. The next prime is 61423199. The reversal of 61423167 is 76132416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61423167 - 22 = 61423163 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 (61423163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787438 + ... + 787515.

It is an arithmetic number, because the mean of its divisors is an integer number (11024678).

Almost surely, 261423167 is an apocalyptic number.

61423167 is a deficient number, since it is larger than the sum of its proper divisors (26774257).

61423167 is a wasteful number, since it uses less digits than its factorization.

61423167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574969.

The product of its digits is 6048, while the sum is 30.

The square root of 61423167 is about 7837.2933465579. The cubic root of 61423167 is about 394.5578923619.

The spelling of 61423167 in words is "sixty-one million, four hundred twenty-three thousand, one hundred sixty-seven".

Divisors: 1 3 13 39 1574953 4724859 20474389 61423167