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100402130 = 2523436531
BaseRepresentation
bin1011111110000…
…00001111010010
320222220221211102
411333000033102
5201200332010
613543544402
72326255403
oct577001722
9228827742
10100402130
1151746674
122975b102
1317a5485a
14d4979aa
158c33ba5
hex5fc03d2

100402130 has 16 divisors (see below), whose sum is σ = 188581824. Its totient is φ = 38414640.

The previous prime is 100402123. The next prime is 100402139. The reversal of 100402130 is 31204001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100402139) 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, 218036 + ... + 218495.

It is an arithmetic number, because the mean of its divisors is an integer number (11786364).

Almost surely, 2100402130 is an apocalyptic number.

100402130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100402130 is a deficient number, since it is larger than the sum of its proper divisors (88179694).

100402130 is a wasteful number, since it uses less digits than its factorization.

100402130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436561.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100402130 is about 10020.0863269734. The cubic root of 100402130 is about 464.7802252759.

Adding to 100402130 its reverse (31204001), we get a palindrome (131606131).

The spelling of 100402130 in words is "one hundred million, four hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 436531 873062 2182655 4365310 10040213 20080426 50201065 100402130