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61214406 = 2311927491
BaseRepresentation
bin1110100110000…
…0111011000110
311021012000101020
43221200323012
5111132330111
610024012010
71342212441
oct351407306
9137160336
1061214406
1131610320
1218601006
13c8b3956
1481b6658
155592906
hex3a60ec6

61214406 has 16 divisors (see below), whose sum is σ = 133558848. Its totient is φ = 18549800.

The previous prime is 61214393. The next prime is 61214407. The reversal of 61214406 is 60441216.

61214406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61214407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463680 + ... + 463811.

It is an arithmetic number, because the mean of its divisors is an integer number (8347428).

Almost surely, 261214406 is an apocalyptic number.

61214406 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61214406 is an abundant number, since it is smaller than the sum of its proper divisors (72344442).

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

61214406 is a wasteful number, since it uses less digits than its factorization.

61214406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927507.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61214406 is about 7823.9635735348. The cubic root of 61214406 is about 394.1103858983.

The spelling of 61214406 in words is "sixty-one million, two hundred fourteen thousand, four hundred six".

Divisors: 1 2 3 6 11 22 33 66 927491 1854982 2782473 5564946 10202401 20404802 30607203 61214406