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474980 = 2251117127
BaseRepresentation
bin1110011111101100100
3220010112212
41303331210
5110144410
614102552
74015532
oct1637544
9803485
10474980
112a4950
121aaa58
1313826c
14c5152
1595b05
hex73f64

474980 has 48 divisors (see below), whose sum is σ = 1161216. Its totient is φ = 161280.

The previous prime is 474977. The next prime is 474983. The reversal of 474980 is 89474.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (474977) and next prime (474983).

It is not an unprimeable number, because it can be changed into a prime (474983) 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, 3677 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2474980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580608).

474980 is an abundant number, since it is smaller than the sum of its proper divisors (686236).

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

474980 is a wasteful number, since it uses less digits than its factorization.

474980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 474980 is about 689.1879279268. The cubic root of 474980 is about 78.0234424388.

The spelling of 474980 in words is "four hundred seventy-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 127 170 187 220 254 340 374 508 635 748 935 1270 1397 1870 2159 2540 2794 3740 4318 5588 6985 8636 10795 13970 21590 23749 27940 43180 47498 94996 118745 237490 474980