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151502040 = 23325616899
BaseRepresentation
bin10010000011110…
…11110011011000
3101120002002201200
421001323303120
5302241031130
623011114200
73516513624
oct1101736330
9346062650
10151502040
11785787a8
12428a2960
13255067a1
141619a184
15d479760
hex907bcd8

151502040 has 96 divisors (see below), whose sum is σ = 500526000. Its totient is φ = 39732480.

The previous prime is 151502027. The next prime is 151502041. The reversal of 151502040 is 40205151.

151502040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151502041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18511 + ... + 25409.

Almost surely, 2151502040 is an apocalyptic number.

151502040 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 151502040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250263000).

151502040 is an abundant number, since it is smaller than the sum of its proper divisors (349023960).

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

151502040 is a wasteful number, since it uses less digits than its factorization.

151502040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977 (or 6970 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 151502040 is about 12308.6164941475. The cubic root of 151502040 is about 533.0969038856.

Adding to 151502040 its reverse (40205151), we get a palindrome (191707191).

The spelling of 151502040 in words is "one hundred fifty-one million, five hundred two thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 61 72 90 120 122 180 183 244 305 360 366 488 549 610 732 915 1098 1220 1464 1830 2196 2440 2745 3660 4392 5490 6899 7320 10980 13798 20697 21960 27596 34495 41394 55192 62091 68990 82788 103485 124182 137980 165576 206970 248364 275960 310455 413940 420839 496728 620910 827880 841678 1241820 1262517 1683356 2104195 2483640 2525034 3366712 3787551 4208390 5050068 6312585 7575102 8416780 10100136 12625170 15150204 16833560 18937755 25250340 30300408 37875510 50500680 75751020 151502040