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61493248 = 21215013
BaseRepresentation
bin1110101010010…
…1000000000000
311021201011212201
43222211000000
5111220240443
610034002544
71344453415
oct352450000
9137634781
1061493248
1131790873
1218716454
13c98084b
14824a10c
1555ea34d
hex3aa5000

61493248 has 26 divisors (see below), whose sum is σ = 122979674. Its totient is φ = 30744576.

The previous prime is 61493227. The next prime is 61493261. The reversal of 61493248 is 84239416.

It can be written as a sum of positive squares in only one way, i.e., 57032704 + 4460544 = 7552^2 + 2112^2 .

It is a nialpdrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411 + ... + 11602.

Almost surely, 261493248 is an apocalyptic number.

It is an amenable number.

61493248 is a deficient number, since it is larger than the sum of its proper divisors (61486426).

61493248 is an equidigital number, since it uses as much as digits as its factorization.

61493248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037 (or 15015 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 61493248 is about 7841.7630670660. The cubic root of 61493248 is about 394.7078927797.

The spelling of 61493248 in words is "sixty-one million, four hundred ninety-three thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 15013 30026 60052 120104 240208 480416 960832 1921664 3843328 7686656 15373312 30746624 61493248