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153422840 = 23518121191
BaseRepresentation
bin10010010010100…
…00101111111000
3101200200200120102
421021100233320
5303234012330
623120214532
73542033624
oct1111205770
9350620512
10153422840
117966a93a
124346a448
1325a29b5c
141653a184
15d708945
hex9250bf8

153422840 has 32 divisors (see below), whose sum is σ = 347124960. Its totient is φ = 61027200.

The previous prime is 153422827. The next prime is 153422849. The reversal of 153422840 is 48224351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153422849) 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 7 ways as a sum of consecutive naturals, for example, 3356 + ... + 17835.

It is an arithmetic number, because the mean of its divisors is an integer number (10847655).

Almost surely, 2153422840 is an apocalyptic number.

153422840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153422840 is an abundant number, since it is smaller than the sum of its proper divisors (193702120).

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

153422840 is a wasteful number, since it uses less digits than its factorization.

153422840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21383 (or 21379 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 153422840 is about 12386.3973777689. The cubic root of 153422840 is about 535.3403837348.

The spelling of 153422840 in words is "one hundred fifty-three million, four hundred twenty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 181 362 724 905 1448 1810 3620 7240 21191 42382 84764 105955 169528 211910 423820 847640 3835571 7671142 15342284 19177855 30684568 38355710 76711420 153422840