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137630040 = 23351146917
BaseRepresentation
bin10000011010000…
…01000101011000
3100120222022220220
420031001011120
5240213130130
621353520040
73260556522
oct1015010530
9316868826
10137630040
1170763539
123a113020
132268a6c2
14143c8a12
15c139410
hex8341158

137630040 has 32 divisors (see below), whose sum is σ = 412890480. Its totient is φ = 36701312.

The previous prime is 137630033. The next prime is 137630069. The reversal of 137630040 is 40036731.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 573339 + ... + 573578.

Almost surely, 2137630040 is an apocalyptic number.

137630040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137630040 is an abundant number, since it is smaller than the sum of its proper divisors (275260440).

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

137630040 is a wasteful number, since it uses less digits than its factorization.

137630040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146931 (or 1146927 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 137630040 is about 11731.5830133874. The cubic root of 137630040 is about 516.3027188315.

Adding to 137630040 its reverse (40036731), we get a palindrome (177666771).

The spelling of 137630040 in words is "one hundred thirty-seven million, six hundred thirty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1146917 2293834 3440751 4587668 5734585 6881502 9175336 11469170 13763004 17203755 22938340 27526008 34407510 45876680 68815020 137630040