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153803940 = 223510723957
BaseRepresentation
bin10010010101011…
…01110010100100
3101201102001100020
421022231302210
5303333211230
623132315140
73545211663
oct1112556244
9351361306
10153803940
11799001a4
1243612ab0
1325b31464
14165d8dda
15d781810
hex92adca4

153803940 has 48 divisors (see below), whose sum is σ = 434693952. Its totient is φ = 40629376.

The previous prime is 153803929. The next prime is 153803941. The reversal of 153803940 is 49308351.

It is not an unprimeable number, because it can be changed into a prime (153803941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5559 + ... + 18398.

It is an arithmetic number, because the mean of its divisors is an integer number (9056124).

Almost surely, 2153803940 is an apocalyptic number.

153803940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153803940 is an abundant number, since it is smaller than the sum of its proper divisors (280890012).

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

153803940 is a wasteful number, since it uses less digits than its factorization.

153803940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24076 (or 24074 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 153803940 is about 12401.7716476316. The cubic root of 153803940 is about 535.7832763466.

The spelling of 153803940 in words is "one hundred fifty-three million, eight hundred three thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 428 535 642 1070 1284 1605 2140 3210 6420 23957 47914 71871 95828 119785 143742 239570 287484 359355 479140 718710 1437420 2563399 5126798 7690197 10253596 12816995 15380394 25633990 30760788 38450985 51267980 76901970 153803940