Search a number
-
+
149739288 = 23397131491
BaseRepresentation
bin10001110110011…
…01011100011000
3101102202112200120
420323031130120
5301313124123
622505233240
73465522456
oct1073153430
9342675616
10149739288
1177584386
1242192820
132503a33a
1415c5b9d6
15d22c2e3
hex8ecd718

149739288 has 64 divisors (see below), whose sum is σ = 381870720. Its totient is φ = 48921600.

The previous prime is 149739277. The next prime is 149739299. The reversal of 149739288 is 882937941.

149739288 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149739277) and next prime (149739299).

It is a self number, because there is not a number n which added to its sum of digits gives 149739288.

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, 304723 + ... + 305213.

It is an arithmetic number, because the mean of its divisors is an integer number (5966730).

Almost surely, 2149739288 is an apocalyptic number.

It is an amenable number.

149739288 is an abundant number, since it is smaller than the sum of its proper divisors (232131432).

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

149739288 is a wasteful number, since it uses less digits than its factorization.

149739288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 724 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 149739288 is about 12236.8005622385. The cubic root of 149739288 is about 531.0212751396.

The spelling of 149739288 in words is "one hundred forty-nine million, seven hundred thirty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 97 131 194 262 291 388 393 491 524 582 776 786 982 1048 1164 1473 1572 1964 2328 2946 3144 3928 5892 11784 12707 25414 38121 47627 50828 64321 76242 95254 101656 128642 142881 152484 190508 192963 257284 285762 304968 381016 385926 514568 571524 771852 1143048 1543704 6239137 12478274 18717411 24956548 37434822 49913096 74869644 149739288