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1479719980 = 225686910771
BaseRepresentation
bin101100000110010…
…1011110000101100
310211010100120012201
41120030223300230
511012302014410
6402455311244
751445261264
oct13014536054
93733316181
101479719980
1169a299582
1235367b524
131a774156b
141007447a4
1589d9083a
hex5832bc2c

1479719980 has 24 divisors (see below), whose sum is σ = 3108152880. Its totient is φ = 591746880.

The previous prime is 1479719977. The next prime is 1479719987. The reversal of 1479719980 is 899179741.

It is a super-2 number, since 2×14797199802 = 4379142438422400800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1479719987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131995 + ... + 142765.

It is an arithmetic number, because the mean of its divisors is an integer number (129506370).

Almost surely, 21479719980 is an apocalyptic number.

1479719980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1479719980 is an abundant number, since it is smaller than the sum of its proper divisors (1628432900).

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

1479719980 is a wasteful number, since it uses less digits than its factorization.

1479719980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17649 (or 17647 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 55.

The square root of 1479719980 is about 38467.1285645290. The cubic root of 1479719980 is about 1139.5319664854.

The spelling of 1479719980 in words is "one billion, four hundred seventy-nine million, seven hundred nineteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 6869 10771 13738 21542 27476 34345 43084 53855 68690 107710 137380 215420 73985999 147971998 295943996 369929995 739859990 1479719980