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61398294 = 2310233049
BaseRepresentation
bin1110101000110…
…1110100010110
311021112100121220
43222031310112
5111204221134
610031551210
71343606526
oct352156426
9137470556
1061398294
11317264a1
121868b506
13c949569
148223686
1555cc149
hex3a8dd16

61398294 has 8 divisors (see below), whose sum is σ = 122796600. Its totient is φ = 20466096.

The previous prime is 61398229. The next prime is 61398299. The reversal of 61398294 is 49289316.

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

61398294 is an admirable number.

It is a super-2 number, since 2×613982942 = 7539501012220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61398299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116519 + ... + 5116530.

It is an arithmetic number, because the mean of its divisors is an integer number (15349575).

Almost surely, 261398294 is an apocalyptic number.

61398294 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61398294 is a wasteful number, since it uses less digits than its factorization.

61398294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233054.

The product of its digits is 93312, while the sum is 42.

The square root of 61398294 is about 7835.7063497811. The cubic root of 61398294 is about 394.5046270989.

The spelling of 61398294 in words is "sixty-one million, three hundred ninety-eight thousand, two hundred ninety-four".

Divisors: 1 2 3 6 10233049 20466098 30699147 61398294