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100304372 = 2272511757
BaseRepresentation
bin1011111101010…
…00010111110100
320222201222201202
411332220113310
5201134214442
613541512032
72325400400
oct576502764
9228658652
10100304372
115168a183
1229712618
1317a1c1cc
14d470100
158c14c32
hex5fa85f4

100304372 has 18 divisors (see below), whose sum is σ = 204191442. Its totient is φ = 42987504.

The previous prime is 100304371. The next prime is 100304381. The reversal of 100304372 is 273403001.

It can be written as a sum of positive squares in only one way, i.e., 67996516 + 32307856 = 8246^2 + 5684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100304371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255683 + ... + 256074.

It is an arithmetic number, because the mean of its divisors is an integer number (11343969).

Almost surely, 2100304372 is an apocalyptic number.

It is an amenable number.

100304372 is an abundant number, since it is smaller than the sum of its proper divisors (103887070).

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

100304372 is a wasteful number, since it uses less digits than its factorization.

100304372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511775 (or 511766 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 100304372 is about 10015.2070373008. The cubic root of 100304372 is about 464.6293296069.

Adding to 100304372 its reverse (273403001), we get a palindrome (373707373).

The spelling of 100304372 in words is "one hundred million, three hundred four thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 511757 1023514 2047028 3582299 7164598 14329196 25076093 50152186 100304372