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100284740 = 2255014237
BaseRepresentation
bin1011111101000…
…11100101000100
320222200222210122
411332203211010
5201133102430
613541241112
72325256223
oct576434504
9228628718
10100284740
1151676456
1229703198
1317a132aa
14d466cba
158c0dee5
hex5fa3944

100284740 has 12 divisors (see below), whose sum is σ = 210597996. Its totient is φ = 40113888.

The previous prime is 100284637. The next prime is 100284757. The reversal of 100284740 is 47482001.

It can be written as a sum of positive squares in 2 ways, for example, as 72046144 + 28238596 = 8488^2 + 5314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507099 + ... + 2507138.

It is an arithmetic number, because the mean of its divisors is an integer number (17549833).

Almost surely, 2100284740 is an apocalyptic number.

100284740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100284740 is an abundant number, since it is smaller than the sum of its proper divisors (110313256).

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

100284740 is a wasteful number, since it uses less digits than its factorization.

100284740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014246 (or 5014244 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 100284740 is about 10014.2268797946. The cubic root of 100284740 is about 464.5990145502.

The spelling of 100284740 in words is "one hundred million, two hundred eighty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 5014237 10028474 20056948 25071185 50142370 100284740