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140623100 = 22521406231
BaseRepresentation
bin10000110000110…
…11110011111100
3100210121101121222
420120123303330
5241444414400
621542012512
73325163612
oct1030336374
9323541558
10140623100
1172418242
123b117138
1323197b47
14149676b2
15c52b185
hex861bcfc

140623100 has 18 divisors (see below), whose sum is σ = 305152344. Its totient is φ = 56249200.

The previous prime is 140623079. The next prime is 140623121. The reversal of 140623100 is 1326041.

It is an interprime number because it is at equal distance from previous prime (140623079) and next prime (140623121).

It is a super-2 number, since 2×1406231002 = 39549712507220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703016 + ... + 703215.

It is an arithmetic number, because the mean of its divisors is an integer number (16952908).

Almost surely, 2140623100 is an apocalyptic number.

140623100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140623100 is an abundant number, since it is smaller than the sum of its proper divisors (164529244).

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

140623100 is a wasteful number, since it uses less digits than its factorization.

140623100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406245 (or 1406238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140623100 is about 11858.4611143268. The cubic root of 140623100 is about 520.0186137321.

Adding to 140623100 its reverse (1326041), we get a palindrome (141949141).

The spelling of 140623100 in words is "one hundred forty million, six hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1406231 2812462 5624924 7031155 14062310 28124620 35155775 70311550 140623100