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151471540 = 225116111287
BaseRepresentation
bin10010000011101…
…00010110110100
3101120000112220001
421001310112310
5302234042130
623010321044
73516325663
oct1101642664
9346015801
10151471540
11785578a0
1242889184
13254c593c
141618cdda
15d4706ca
hex90745b4

151471540 has 48 divisors (see below), whose sum is σ = 352727424. Its totient is φ = 54172800.

The previous prime is 151471531. The next prime is 151471561. The reversal of 151471540 is 45174151.

It is a junction number, because it is equal to n+sod(n) for n = 151471499 and 151471508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7777 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (7348488).

Almost surely, 2151471540 is an apocalyptic number.

151471540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151471540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176363712).

151471540 is an abundant number, since it is smaller than the sum of its proper divisors (201255884).

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

151471540 is a wasteful number, since it uses less digits than its factorization.

151471540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368 (or 11366 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 151471540 is about 12307.3774623191. The cubic root of 151471540 is about 533.0611275868.

The spelling of 151471540 in words is "one hundred fifty-one million, four hundred seventy-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 61 110 122 220 244 305 610 671 1220 1342 2684 3355 6710 11287 13420 22574 45148 56435 112870 124157 225740 248314 496628 620785 688507 1241570 1377014 2483140 2754028 3442535 6885070 7573577 13770140 15147154 30294308 37867885 75735770 151471540