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61628372 = 22133138231
BaseRepresentation
bin1110101100010…
…1111111010100
311021222001020022
43223011333110
5111234101442
610040524312
71345555361
oct353057724
9137861208
1061628372
1131873343
1218780698
13c9ca1c0
148283468
1556253d2
hex3ac5fd4

61628372 has 24 divisors (see below), whose sum is σ = 119895552. Its totient is φ = 27525600.

The previous prime is 61628353. The next prime is 61628423. The reversal of 61628372 is 27382616.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17504 + ... + 20727.

It is an arithmetic number, because the mean of its divisors is an integer number (4995648).

Almost surely, 261628372 is an apocalyptic number.

61628372 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61628372 is a deficient number, since it is larger than the sum of its proper divisors (58267180).

61628372 is a wasteful number, since it uses less digits than its factorization.

61628372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38279 (or 38277 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 61628372 is about 7850.3740038294. The cubic root of 61628372 is about 394.9967889500.

The spelling of 61628372 in words is "sixty-one million, six hundred twenty-eight thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 38231 76462 152924 497003 994006 1185161 1988012 2370322 4740644 15407093 30814186 61628372