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100345630 = 25721118617
BaseRepresentation
bin1011111101100…
…10011100011110
320222211002022211
411332302130132
5201142030010
613542431034
72325631600
oct576623436
9228732284
10100345630
1151708180
122973247a
1317a34c18
14d481170
158c2208a
hex5fb271e

100345630 has 48 divisors (see below), whose sum is σ = 229224816. Its totient is φ = 31274880.

The previous prime is 100345603. The next prime is 100345657. The reversal of 100345630 is 36543001.

It is an interprime number because it is at equal distance from previous prime (100345603) and next prime (100345657).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3919 + ... + 14698.

It is an arithmetic number, because the mean of its divisors is an integer number (4775517).

Almost surely, 2100345630 is an apocalyptic number.

100345630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100345630 is an abundant number, since it is smaller than the sum of its proper divisors (128879186).

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

100345630 is a wasteful number, since it uses less digits than its factorization.

100345630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18649 (or 18642 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 100345630 is about 10017.2665932379. The cubic root of 100345630 is about 464.6930258970.

Adding to 100345630 its reverse (36543001), we get a palindrome (136888631).

The spelling of 100345630 in words is "one hundred million, three hundred forty-five thousand, six hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 154 245 385 490 539 770 1078 2695 5390 18617 37234 93085 130319 186170 204787 260638 409574 651595 912233 1023935 1303190 1433509 1824466 2047870 2867018 4561165 7167545 9122330 10034563 14335090 20069126 50172815 100345630