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100244320 = 2551156957
BaseRepresentation
bin1011111100110…
…01101101100000
320222121221100121
411332121231200
5201130304240
613540330024
72325030331
oct576315540
9228557317
10100244320
1151649050
12296a3914
13179caa87
14d456288
158c0204a
hex5f99b60

100244320 has 48 divisors (see below), whose sum is σ = 258361488. Its totient is φ = 36451840.

The previous prime is 100244311. The next prime is 100244423. The reversal of 100244320 is 23442001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 100244294 and 100244303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26719 + ... + 30238.

It is an arithmetic number, because the mean of its divisors is an integer number (5382531).

Almost surely, 2100244320 is an apocalyptic number.

100244320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100244320 is an abundant number, since it is smaller than the sum of its proper divisors (158117168).

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

100244320 is a wasteful number, since it uses less digits than its factorization.

100244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56983 (or 56975 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100244320 is about 10012.2085475683. The cubic root of 100244320 is about 464.5365869209.

Adding to 100244320 its reverse (23442001), we get a palindrome (123686321).

The spelling of 100244320 in words is "one hundred million, two hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 56957 113914 227828 284785 455656 569570 626527 911312 1139140 1253054 1822624 2278280 2506108 3132635 4556560 5012216 6265270 9113120 10024432 12530540 20048864 25061080 50122160 100244320