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100746320 = 2451259329
BaseRepresentation
bin1100000000101…
…00010001010000
321000120102222012
412000110101100
5201242340240
613555202052
72332221023
oct600242120
9230512865
10100746320
1151961224
12298a6328
1317b4540c
14d5471ba
158ca0b65
hex6014450

100746320 has 20 divisors (see below), whose sum is σ = 234235380. Its totient is φ = 40298496.

The previous prime is 100746299. The next prime is 100746329. The reversal of 100746320 is 23647001.

It can be written as a sum of positive squares in 2 ways, for example, as 14776336 + 85969984 = 3844^2 + 9272^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100746329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629585 + ... + 629744.

It is an arithmetic number, because the mean of its divisors is an integer number (11711769).

Almost surely, 2100746320 is an apocalyptic number.

100746320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100746320 is an abundant number, since it is smaller than the sum of its proper divisors (133489060).

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

100746320 is a wasteful number, since it uses less digits than its factorization.

100746320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259342 (or 1259336 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 100746320 is about 10037.2466344113. The cubic root of 100746320 is about 465.3107261444.

The spelling of 100746320 in words is "one hundred million, seven hundred forty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1259329 2518658 5037316 6296645 10074632 12593290 20149264 25186580 50373160 100746320