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61478134 = 2107287281
BaseRepresentation
bin1110101010000…
…1010011110110
311021200102010221
43222201103312
5111214300014
610033404554
71344361354
oct352412366
9137612127
1061478134
1131780483
121870975a
13c9769c3
1482447d4
1555e5b24
hex3aa14f6

61478134 has 8 divisors (see below), whose sum is σ = 93079368. Its totient is φ = 30451680.

The previous prime is 61478117. The next prime is 61478141. The reversal of 61478134 is 43187416.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61478134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143427 + ... + 143854.

It is an arithmetic number, because the mean of its divisors is an integer number (11634921).

Almost surely, 261478134 is an apocalyptic number.

61478134 is a deficient number, since it is larger than the sum of its proper divisors (31601234).

61478134 is a wasteful number, since it uses less digits than its factorization.

61478134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287390.

The product of its digits is 16128, while the sum is 34.

The square root of 61478134 is about 7840.7993214978. The cubic root of 61478134 is about 394.6755526226.

The spelling of 61478134 in words is "sixty-one million, four hundred seventy-eight thousand, one hundred thirty-four".

Divisors: 1 2 107 214 287281 574562 30739067 61478134