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1693380924 = 223337423769
BaseRepresentation
bin110010011101110…
…1111000100111100
311101000101122221000
41210323233010330
511432001142144
6440011010300
756651333424
oct14473570474
94330348830
101693380924
11799962174
123b3139990
1320ca9c861
14120c81484
159d9e7769
hex64eef13c

1693380924 has 48 divisors (see below), whose sum is σ = 4508912800. Its totient is φ = 549203328.

The previous prime is 1693380841. The next prime is 1693380929. The reversal of 1693380924 is 4290833961.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1693380924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693380929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207889 + ... + 215880.

Almost surely, 21693380924 is an apocalyptic number.

It is an amenable number.

1693380924 is an abundant number, since it is smaller than the sum of its proper divisors (2815531876).

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

1693380924 is a wasteful number, since it uses less digits than its factorization.

1693380924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423819 (or 423811 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1693380924 is about 41150.7098845208. The cubic root of 1693380924 is about 1191.9322054667.

The spelling of 1693380924 in words is "one billion, six hundred ninety-three million, three hundred eighty thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 37 54 74 108 111 148 222 333 444 666 999 1332 1998 3996 423769 847538 1271307 1695076 2542614 3813921 5085228 7627842 11441763 15255684 15679453 22883526 31358906 45767052 47038359 62717812 94076718 141115077 188153436 282230154 423345231 564460308 846690462 1693380924