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1969040148 = 223198636141
BaseRepresentation
bin111010101011101…
…0010101100010100
312002020002121021220
41311113102230110
513013033241043
6523215210340
766536364555
oct16527225424
95066077256
101969040148
11920521009
1246b5169b0
13254c2751a
1414971a32c
15b7ce9483
hex755d2b14

1969040148 has 24 divisors (see below), whose sum is σ = 4836239520. Its totient is φ = 621802080.

The previous prime is 1969040107. The next prime is 1969040179. The reversal of 1969040148 is 8410409691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4317843 + ... + 4318298.

It is an arithmetic number, because the mean of its divisors is an integer number (201509980).

Almost surely, 21969040148 is an apocalyptic number.

It is an amenable number.

1969040148 is an abundant number, since it is smaller than the sum of its proper divisors (2867199372).

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

1969040148 is a wasteful number, since it uses less digits than its factorization.

1969040148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636167 (or 8636165 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1969040148 is about 44373.8678503463. The cubic root of 1969040148 is about 1253.3860510181.

The spelling of 1969040148 in words is "one billion, nine hundred sixty-nine million, forty thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 8636141 17272282 25908423 34544564 51816846 103633692 164086679 328173358 492260037 656346716 984520074 1969040148