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61368846 = 23711132833
BaseRepresentation
bin1110101000011…
…0101000001110
311021110212020020
43222012220032
5111202300341
610031203010
71343424630
oct352065016
9137425206
1061368846
1131706360
1218676466
13c939036
148216a50
1555c3566
hex3a86a0e

61368846 has 32 divisors (see below), whose sum is σ = 153024768. Its totient is φ = 15939840.

The previous prime is 61368823. The next prime is 61368847. The reversal of 61368846 is 64886316.

It is a happy number.

It is a super-2 number, since 2×613688462 = 7532270518743432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 61368798 and 61368807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61368847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65955 + ... + 66878.

It is an arithmetic number, because the mean of its divisors is an integer number (4782024).

Almost surely, 261368846 is an apocalyptic number.

61368846 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61368846 is an abundant number, since it is smaller than the sum of its proper divisors (91655922).

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

61368846 is a wasteful number, since it uses less digits than its factorization.

61368846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132856.

The product of its digits is 165888, while the sum is 42.

The square root of 61368846 is about 7833.8270340875. The cubic root of 61368846 is about 394.4415459212.

The spelling of 61368846 in words is "sixty-one million, three hundred sixty-eight thousand, eight hundred forty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 132833 265666 398499 796998 929831 1461163 1859662 2789493 2922326 4383489 5578986 8766978 10228141 20456282 30684423 61368846