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100385130 = 23531107941
BaseRepresentation
bin1011111101111…
…00000101101010
320222220002111210
411332330011222
5201144311010
613543333550
72326155006
oct576740552
9228802453
10100385130
115173491a
12297512b6
1317a49bb1
14d491706
158c2db20
hex5fbc16a

100385130 has 32 divisors (see below), whose sum is σ = 248698368. Its totient is φ = 25905600.

The previous prime is 100385123. The next prime is 100385171. The reversal of 100385130 is 31583001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100385097 and 100385106.

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, 53041 + ... + 54900.

It is an arithmetic number, because the mean of its divisors is an integer number (7771824).

Almost surely, 2100385130 is an apocalyptic number.

100385130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100385130 is an abundant number, since it is smaller than the sum of its proper divisors (148313238).

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

100385130 is a wasteful number, since it uses less digits than its factorization.

100385130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107982.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 100385130 is about 10019.2379949775. The cubic root of 100385130 is about 464.7539917361.

The spelling of 100385130 in words is "one hundred million, three hundred eighty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 107941 215882 323823 539705 647646 1079410 1619115 3238230 3346171 6692342 10038513 16730855 20077026 33461710 50192565 100385130