Search a number
-
+
137472048 = 24327219483
BaseRepresentation
bin10000011000110…
…10100000110000
3100120200022012100
420030122200300
5240143101143
621350300400
73256331100
oct1014324060
9316608170
10137472048
117066586a
123a057700
132263380c
1414387200
15c1076d3
hex831a830

137472048 has 90 divisors (see below), whose sum is σ = 447566964. Its totient is φ = 39275712.

The previous prime is 137472043. The next prime is 137472079. The reversal of 137472048 is 840274731.

It is a happy number.

It is a super-3 number, since 3×1374720483 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (137472043) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2686 + ... + 16797.

Almost surely, 2137472048 is an apocalyptic number.

137472048 is a gapful number since it is divisible by the number (18) 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 137472048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223783482).

137472048 is an abundant number, since it is smaller than the sum of its proper divisors (310094916).

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

137472048 is a wasteful number, since it uses less digits than its factorization.

137472048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19511 (or 19495 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 137472048 is about 11724.8474616943. The cubic root of 137472048 is about 516.1050804564.

The spelling of 137472048 in words is "one hundred thirty-seven million, four hundred seventy-two thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 392 441 504 588 784 882 1008 1176 1764 2352 3528 7056 19483 38966 58449 77932 116898 136381 155864 175347 233796 272762 311728 350694 409143 467592 545524 701388 818286 935184 954667 1091048 1227429 1402776 1636572 1909334 2182096 2454858 2805552 2864001 3273144 3818668 4909716 5728002 6546288 7637336 8592003 9819432 11456004 15274672 17184006 19638864 22912008 34368012 45824016 68736024 137472048