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61199404 = 2277379379
BaseRepresentation
bin1110100101110…
…1010000101100
311021011020210121
43221131100230
5111131340104
610023414324
71342120630
oct351352054
9137136717
1061199404
1131600022
12185b43a4
13c8a9b86
1481b0dc0
15558d254
hex3a5d42c

61199404 has 48 divisors (see below), whose sum is σ = 125977600. Its totient is φ = 25474176.

The previous prime is 61199377. The next prime is 61199419. The reversal of 61199404 is 40499116.

61199404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61199404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161287 + ... + 161665.

Almost surely, 261199404 is an apocalyptic number.

It is an amenable number.

61199404 is an abundant number, since it is smaller than the sum of its proper divisors (64778196).

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

61199404 is a wasteful number, since it uses less digits than its factorization.

61199404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 61199404 is about 7823.0047935560. The cubic root of 61199404 is about 394.0781879923.

The spelling of 61199404 in words is "sixty-one million, one hundred ninety-nine thousand, four hundred four".

Divisors: 1 2 4 7 14 28 73 79 146 158 292 316 379 511 553 758 1022 1106 1516 2044 2212 2653 5306 5767 10612 11534 23068 27667 29941 40369 55334 59882 80738 110668 119764 161476 193669 209587 387338 419174 774676 838348 2185693 4371386 8742772 15299851 30599702 61199404