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250941020 = 225119911151
BaseRepresentation
bin11101111010100…
…00111001011100
3122111012010100212
432331100321130
51003220103040
640522311552
76134651321
oct1675207134
9574163325
10250941020
11119716780
12700585b8
133ccb1b15
1425482b48
151706cd65
hexef50e5c

250941020 has 48 divisors (see below), whose sum is σ = 575963136. Its totient is φ = 91080000.

The previous prime is 250941013. The next prime is 250941043. The reversal of 250941020 is 20149052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217445 + ... + 218595.

It is an arithmetic number, because the mean of its divisors is an integer number (11999232).

Almost surely, 2250941020 is an apocalyptic number.

250941020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250941020 is an abundant number, since it is smaller than the sum of its proper divisors (325022116).

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

250941020 is a wasteful number, since it uses less digits than its factorization.

250941020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 250941020 is about 15841.1180160997. The cubic root of 250941020 is about 630.7499425683.

The spelling of 250941020 in words is "two hundred fifty million, nine hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 991 1151 1982 2302 3964 4604 4955 5755 9910 10901 11510 12661 19820 21802 23020 25322 43604 50644 54505 63305 109010 126610 218020 253220 1140641 2281282 4562564 5703205 11406410 12547051 22812820 25094102 50188204 62735255 125470510 250941020